Chamaecrista is a genus of flowering plants in the pea family, Fabaceae, subfamily Caesalpinioideae. Members of the genus are commonly known as sensitive pea. Several species are capable of rapid plant movement. Unlike the related genera Cassia and Senna, members of Chamaecrista form root nodules.
Chamaecrista has 367 species, with a wide distribution â the Americas from Minnesota to northern Argentina, sub-Saharan Africa, the Arabian Peninsula and Iran, the Indian Subcontinent, Indochina, China, Korea, Japan, Malesia, New Guinea, and Australia.
Species
Chamaecrista comprises the following species, organized into sections, subsections, and series:
Section Apoucouita <small>Benth.</small>
Series Apoucouita
Series Pteridophyllae
- Chamaecrista adiantifolia <small>(Spruce ex Benth.) H. S. Irwin & Barneby</small>
- var. adiantifolia <small>(Spruce ex Benth.) H. S. Irwin & Barneby</small>
- var. pteridophylla <small>(Sandwith) H.S.Irwin & Barneby</small>
- Chamaecrista aspleniifolia <small>(H.S.Irwin & Barneby) H.S.Irwin</small>
Section Absus <small>DC. ex Colladon emend. Irwin & Barneby</small>
Subsection Absus <small>DC. ex Colladon</small>
Series Absoideae
Series Adenophyllae
Series Andromedeae
Series Atroglandulosae
Series Bracteolatae
Series Catharticae
Series Confertae
- Chamaecrista caespitosa <small>(Benth.) H.S.Irwin & Barneby</small>
- Chamaecrista conferta <small>(Benth.) H.S.Irwin & Barneby</small>
- var. conferta <small>(Benth.) H.S.Irwin & Barneby</small>
- var. machrisiana <small>(Cowan) H.S.Irwin & Barneby</small>
- var. simulans <small>(H.S.Irwin & Barneby) H.S.Irwin</small>
- var. virgata <small>(H.S.Irwin & Barneby) H.S.Irwin</small>
- Chamaecrista crommyotricha <small>(Harms) H.S.Irwin & Barneby</small>
Series Ericifoliae
Series Geminatae
Series Glutinosae
Series Gracillimae
Series Hassleranae
Series Hedysaroides
Series Incanae
Series Incurvatae
- Chamaecrista incurvata <small>(Benth.) H.S.Irwin & Barneby</small>
- var. incurvata <small>(Benth.) H.S.Irwin & Barneby</small>
- var. zanclodes <small>(H.S.Irwin & Barneby) H.S.Irwin</small>
- Chamaecrista lavradioides <small>(Benth.) H.S.Irwin & Barneby</small>
- Chamaecrista linearifolia <small>(G.Don) H.S.Irwin & Barneby</small>
- var. bradei <small>(Harms) H.S.Irwin & Barneby</small>
- var. linearifolia <small>(G.Don) H.S.Irwin & Barneby</small>
- Chamaecrista planifolia <small>(H.S.Irwin & Barneby) H.S.Irwin</small>
Series Lomatopodae
Series Lucidae
Series Microphyllae
Series Nigricantes
Series Ochnaceae
- Chamaecrista bifoliola <small>(Harms) H.S.Irwin & Barneby</small>
- Chamaecrista cotinifolia <small>(G.Don) H.S.Irwin & Barneby</small>
- var. cotinifolia <small>(G.Don) H.S.Irwin & Barneby</small>
- var. glaberrima <small>(H.S.Irwin & Barneby) H.S.Irwin</small>
- var. leptodictya <small>(H.S.Irwin & Barneby) H.S.Irwin</small>
- var. percoriacea <small>(H.S.Irwin & Barneby) H.S.Irwin</small>
- Chamaecrista crenulata <small>(Benth.) H.S.Irwin & Barneby</small>
- Chamaecrista desertorum <small>(Benth.) H.S.Irwin & Barneby</small>
- Chamaecrista geraldii <small>(H.S.Irwin & Barneby) H.S.Irwin</small>
- Chamaecrista ochnacea <small>(Vogel) H.S.Irwin & Barneby</small>
- var. latifolia <small>(Benth.) H.S.Irwin & Barneby</small>
- var. mollis <small>(H.S.Irwin & Barneby) H.S.Irwin</small>
- var. ochnacea <small>(Vogel) H.S.Irwin & Barneby</small>
- var. purpurascens <small>(Benth.) H.S.Irwin & Barneby</small>
- var. speluncae <small>(H.S.Irwin & Barneby) H.S.Irwin</small>
- Chamaecrista punctata <small>(Vogel) H.S.Irwin & Barneby</small>
- Chamaecrista vauthieri <small>(Benth.) H.S.Irwin & Barneby</small>
Series Oligospermae
Series Paniculatae
- Chamaecrista celiae <small>(H.S.Irwin & Barneby) H.S.Irwin</small>
- Chamaecrista claussenii <small>(Benth.) H.S.Irwin & Barneby</small>
- var. claussenii <small>(Benth.) H.S.Irwin & Barneby</small>
- var. cyclophylla <small>(H.S.Irwin & Barneby) H.S.Irwin</small>
- var. megacycla <small>(H.S.Irwin & Barneby) H.S.Irwin</small>
- Chamaecrista lundii <small>(Benth.) H.S.Irwin & Barneby</small>
- Chamaecrista orbiculata <small>(Benth.) H.S.Irwin & Barneby</small>
- var. cercidifolia <small>(H.S.Irwin & Barneby) H.S.Irwin</small>
- var. orbiculata <small>(Benth.) H.S.Irwin & Barneby</small>
- var. trichothyrsus <small>(Harms) H.S.Irwin & Barneby</small>
- var. ustulata <small>(H.S.Irwin & Barneby) H.S.Irwin</small>
- Chamaecrista pachyclada <small>(Harms) H.S.Irwin & Barneby</small>
- Chamaecrista rigidifolia <small>(Benth.) H.S.Irwin & Barneby</small>
- var. rigidifolia <small>(Benth.) H.S.Irwin & Barneby</small>
- var. veadeirana <small>(H.S.Irwin & Barneby) H.S.Irwin</small>
Series Pinifoliae
Series Rigidulae
As traditionally circumscribed here, Chamaecrista ser. Rigidulae is polyphyletic. However, the series is monophyletic if redefined to exclude C. brachyblepharis and C. ciliolata and include C. sincorana and C. botryoides (from series Microphyllae). The species in the series are all endemic to Brazil and can be divided geographically into two main lineages, one from the highlands of Goiás, and the second from the Espinhaço Range of Bahia and Minas Gerais.
Series Secundae
Series Setosae
Series Spinulosae
Series Strictifoliae
Series Trachycarpae
Series Unijugae
Series Ursinae
Subsection Adenophyllum <small>Irwin & Barneby</small>
Subsection Baseophyllum <small>(Colladon) Irwin & Barneby</small>
- Chamaecrista coriacea <small>(Benth.) H.S.Irwin & Barneby</small>
- Chamaecrista cytisoides <small>(DC. ex Collad.) H. S. Irwin & Barneby</small>
- var. blanchetii <small>(Benth.) H.S.Irwin & Barneby</small>
- var. brachystachya <small>(Benth.) H.S.Irwin & Barneby</small>
- var. confertiformis <small>(H.S.Irwin & Barneby) H.S.Irwin</small>
- var. cytisoides <small>(DC. ex Collad.) H. S. Irwin & Barneby</small>
- var. decora <small>(H.S.Irwin & Barneby) H.S.Irwin</small>
- var. micrantha <small>(H.S.Irwin & Barneby) H.S.Irwin</small>
- var. unijuga <small>(Benth.) H.S.Irwin & Barneby</small>
Subsection Otophyllum <small>Irwin & Barneby</small>
Section Caliciopsis <small>Irwin & Barneby</small>
Section Chamaecrista <small>Moench</small>
Series Bauhinianae <small>(Colladon) Irwin & Barneby</small>
- Chamaecrista rotundifolia <small>(Pers.) Greene</small>
- var. rotundifolia <small>(Pers.) Greene</small>
- var. grandiflora <small>(Benth.) H.S.Irwin & Barneby</small>
Series Chamaecrista <small>Moench</small>
- Chamaecrista chamaecristoides <small>(Collad.) Greene</small>
- var. brandegeei <small>(Britton & Rose) H.S.Irwin & Barneby</small>
- var. chamaecristoides <small>(Collad.) Greene</small>
- var. cruziana <small>(Britton & Rose) H.S.Irwin & Barneby</small>
- Chamaecrista glandulosa <small>(L.) Greene</small>âÂÂJamaican broom
- var. andicola <small>H.S.Irwin & Barneby</small>
- var. andreana <small>(Britton & Killip) H.S.Irwin & Barneby</small>
- var. brasiliensis <small>(Vogel) H.S.Irwin & Barneby</small>
- var. flavicoma <small>(Kunth) H.S.Irwin & Barneby</small>
- var. glandulosa <small>(L.) Greene</small>
- var. mirabilis <small>(Pollard) H.S.Irwin & Barneby</small>
- var. parralensis <small>(H.S.Irwin & Barneby) H.S.Irwin</small>
- var. picardae <small>(Urb.) H.S.Irwin & Barneby</small>
- var. swartzii <small>(Wikstr.) H.S.Irwin & Barneby</small>
- var. tristicula <small>(Kunth) H.S.Irwin & Barneby</small>
- Chamaecrista lineata <small>(Sw.) Greene</small>
- var. brachyloba <small>(Griseb.) H.S.Irwin & Barneby</small>
- var. brevipila <small>(Urb.) H.S.Irwin & Barneby</small>
- var. jamaicensis <small>(Britton) H.S.Irwin & Barneby</small>
- var. keyensis <small>(Pennell) H.S.Irwin & Barneby</small>
- var. lineata <small>(Sw.) Greene</small>
- var. pinoi <small>(Britton & Rose) H.S.Irwin & Barneby</small>
- Chamaecrista nictitans <small>(L.) Moench</small>
- subsp. brachypoda <small>(Benth.) H.S.Irwin & Barneby</small>
- subsp. disadena <small>(Steud.) H.S.Irwin & Barneby</small>
- subsp. nictitans <small>(L.) Moench</small>
- subsp. patellaria <small>(Collad.) H.S.Irwin & Barneby</small>
- var. aspera <small>(Elliott) Torr. & A.Gray</small>
- var. diffusa <small>(DC.) H.S. Irwin & Barneby</small>
- var. glabrata <small>(Vogel) H.S. Irwin & Barneby</small>
- var. jaliscensis <small>(Greenm.) H.S. Irwin & Barneby</small>
- var. mensalis <small>(Greenm.) H.S.Irwin & Barneby</small>
- var. pilosa <small>(Benth.) H.S. Irwin & Barneby</small>
- var. praetexta <small>(Vogel) H.S. Irwin & Barneby</small>
- Chamaecrista obcordata <small>(Sw.) Britton</small>
- Chamaecrista pascuorum <small>(Benth.) H.S.Irwin & Barneby</small>
- Chamaecrista pedemontana <small>H.S.Irwin & Barneby</small>
- Chamaecrista pedicellaris <small>(DC.) Britton</small>
- var. adenosperma <small>(Urb.) H.S.Irwin & Barneby</small>
- var. pedicellaris <small>(DC.) Britton</small>
- Chamaecrista portoricensis <small>(Urb.) O.F.Cook & G.N.Collins</small>
- Chamaecrista pygmaea <small>(DC.) Britton</small>
- var. pygmaea <small>(DC.) Britton</small>
- var. savannarum <small>(Britton) H.S.Irwin & Barneby</small>
- Chamaecrista repens <small>(Vogel) H.S.Irwin & Barneby</small>
- var. multijuga <small>(Benth.) H.S.Irwin & Barneby</small>
- var. repens <small>(Vogel) H.S.Irwin & Barneby</small>
Series Coriaceae <small>(Bentham) Irwin & Barneby</small>
Series Flexuosae <small>Irwin & Barneby</small>
Series Greggianae <small>Irwin & Barneby</small>
- Chamaecrista greggii <small>(A. Gray) Pollard ex A. H. Heller</small>
- var. greggii <small>(A. Gray) Pollard ex A. H. Heller</small>
- var. macdougaliana <small>(Rose) H.S.Irwin & Barneby</small>
- var. potosina <small>(Britton & Rose) H.S.Irwin & Barneby</small>
Series Prostratae <small>(Bentham) Irwin & Bameby</small>
- Chamaecrista pilosa <small>(L.) Greene</small>
- var. luxurians <small>(Benth.) H.S.Irwin & Barneby</small>
- var. pilosa <small>(L.) Greene</small>
- Chamaecrista serpens <small>(L.) Greene</small>
- var. delicata <small>(Britton & Rose) H.S.Irwin & Barneby</small>
- var. grandiflora <small>(Benth.) H.S.Irwin & Barneby</small>
- var. mensarum <small>(A.R.Molina) H.S.Irwin & Barneb</small>
- var. serpens <small>(L.) Greene</small>
- var. wrightii <small>(A.Gray) H.S.Irwin & Barneby</small>
- Chamaecrista supplex <small>(Benth.) Britton & Killip</small>
- Chamaecrista tenuisepala <small>(Benth.) H.S.Irwin & Barneby</small>
- Chamaecrista trichopoda <small>(Benth.) Britton & Killip</small>
Section Grimaldia <small>(Schrank) Irwin & Barneby</small>
- Chamaecrista absus <small>(L.) H.S.Irwin & Barneby</small>
- var. absus <small>(L.) H.S.Irwin & Barneby</small>
- var. meonandra <small>(H.S.Irwin & Barneby) H.S.Irwin</small>
Section Xerocalyx <small>(Bentham) Irwin & Barneby</small>
- Chamaecrista desvauxii <small>(Collad.) Killip</small>
- var. brevipes <small>(Benth.) H.S.Irwin & Barneby</small>
- var. desvauxii <small>(Collad.) Killip</small>
- var. langsdorffii <small>(Kunth ex Vogel) H.S.Irwin & Barneby</small>
- var. latifolia <small>(Benth.) H.S.Irwin & Barneby</small>
- var. latistipula <small>(Benth.) G.P.Lewis</small>
- var. linearis <small>(H.S.Irwin) H.S.Irwin & Barneby</small>
- var. malacophylla <small>(Vogel) H.S.Irwin & Barneby</small>
- var. mollissima <small>(Benth.) H.S.Irwin & Barneby</small>
- var. pirebebuiensis <small>(Chodat & Hassl.) H.S.Irwin & Barneby</small>
- var. saxatilis <small>(Amshoff) H.S.Irwin & Barneby</small>
- var. triumviralis <small>H.S.Irwin & Barneby</small>
- Chamaecrista diphylla <small>(L.) Greene</small>
- Chamaecrista ramosa <small>(Vogel) H.S.Irwin & Barneby</small>
- var. curvifolia <small>(Vogel) G.P.Lewis</small>
- var. erythrocalyx <small>(Benth.) H.S.Irwin & Barneby</small>
- var. lucida <small>(Benth.) H.S.Irwin & Barneby</small>
- var. parvifoliola <small>(H.S.Irwin) H.S.Irwin & Barneby</small>
- var. ramosa <small>(Vogel) H.S.Irwin & Barneby</small>
- var. ventuarensis <small>(H.S.Irwin) H.S.Irwin & Barneby</small>
Species names with uncertain taxonomic status
The status of the following species is unresolved:
- Chamaecrista bella <small>Conc., L.P.Queiroz & G.P.Lewis</small>
- Chamaecrista biddulphiana <small>Pedley</small>
- Chamaecrista bissei <small>A.Barreto & Yakovlev</small>
- Chamaecrista ÃÂblanchetiformis <small>Conc., L.P.Queiroz & Borba</small>
- Chamaecrista blanchetii <small>(Benth.) Conc., L.P.Queiroz & G.P.Lewis</small>
- Chamaecrista burmanni <small>Eckl. & Zeyh.</small>
- Chamaecrista commixta <small>auct.</small>
- Chamaecrista cupeyalensis <small>A.Barreto & Yakovlev</small>
- Chamaecrista deserti <small>Pedley</small>
- Chamaecrista exigua <small>Pedley</small>
- Chamaecrista falcifoliolata <small>A.Barreto & Yakovlev</small>
- Chamaecrista grisea <small>Pedley</small>
- Chamaecrista guanensis <small>A.Barreto & Yakovlev</small>
- Chamaecrista macambensis <small>A.Barreto & Yakovlev</small>
- Chamaecrista maritima <small>Pedley</small>
- Chamaecrista moorei <small>Pedley</small>
- Chamaecrista mwangokae <small>Gereau & G.M.Walters</small>
- Chamaecrista nana <small>Conc., L.P.Queiroz & G.P.Lewis</small>
- Chamaecrista ÃÂpatyensis <small>Conc., L.P.Queiroz & Borba</small>
- Chamaecrista rusbyi <small>Britton & Rose ex Pittier</small>
- Chamaecrista symonii <small>Pedley</small>
- Chamaecrista takhtajanii <small>A.Barreto & Yakovlev</small>
- Chamaecrista vestita <small>(Vogel) Govaerts</small>
- Chamaecrista xanthadena <small>(Mart. ex Benth.) Govaerts</small>
References
External links