Crusea

Crusea (common name saucer flower) is a genus of angiosperms (flowering plants) in the family Rubiaceae. The genus is found in the south-western United States (Arizona and New Mexico), Mexico, and Central America. A few species are naturalized in Cuba and Puerto Rico.

Species

• Crusea andersoniorum <small>Lorence</small> – Oaxaca
• Crusea calcicola <small>Greenm</small> – San Luis Potosí, Querétaro, Guerrero, Oaxaca, Honduras
• Crusea calocephala <small>DC.</small> – widespread from Tamaulipas to Honduras
• Crusea coccinea <small>DC.</small>
• Crusea coccinea var. breviloba <small>Loes.</small> – from Sinaloa to Guatemala and Belize
• Crusea coccinea var. chiriquensis <small>W.R.Anderson</small> – Costa Rica and Panama
• Crusea coccinea var. coccinea – from Jalisco to Oaxaca
• Crusea coronata <small>B.L.Rob. & Greenm.</small> – from Sonora to Oaxaca
• Crusea diversifolia <small>(Kunth) W.R.Anderson</small> – widespread from Arizona and New Mexico to Guatemala
• Crusea hispida <small>(Mill.) Rob.</small>
• Crusea hispida var. grandiflora <small>(Paul G.Wilson) W.R.Anderson</small> – Guerrero, México State, Distrito Federal
• Crusea hispida var. hispida – widespread across much of Mexico and naturalized in Cuba
• Crusea longiflora <small>(Roem. & Schult.) W.R.Anderson</small> – widespread across much of Mexico and naturalized in Puerto Rico
• Crusea lucida <small>Benth.</small> – Sonora, Sinaloa, Jalisco, Nayarit, Colima, Michoacán, Guerrero
• Crusea megalocarpa <small>(A.Gray) S.Watson</small> – widespread across much of Mexico
• Crusea parviflora <small>Hook. & Arn.</small> – widespread across much of Mexico, south to Nicaragua
• Crusea psyllioides <small>(Kunth) W.R.Anderson</small> – widespread across much of Mexico
• Crusea pulcherrima <small>Borhidi & Salas-Mor.</small> – Oaxaca
• Crusea setosa <small>(M.Martens & Galeotti) Standl. & Steyerm.</small> – widespread across much of Mexico, south to Nicaragua
• Crusea wrightii <small>A.Gray</small>
• Crusea wrightii var. angustifolia <small>W.R.Anderson</small> – central and southern Mexico
• Crusea wrightii var. wrightii – widespread across much of Mexico, north into Arizona

References

External links

• Crusea in the World Checklist of Rubiaceae
• Vascular Plants of the Gila Wilderness, Western New Mexico University
• Irekani, Universidad Nacional Autónoma de México
• Gardening Europe
• Photo of herbarium specimen at Missouri Botanical Garden, isotype of Crusea wrightii var. angustifolia, collected in Guerrero