How to Know the Cacti: Pictured Keys for Determining the Native Cacti of the United States and Many of the Introduced Species |
Contents
Cacti of the Western World | 1 |
The Study of Cacti | 10 |
Literature and References | 20 |
Copyright | |
1 other sections not shown
Common terms and phrases
acicular areoles Arizona Axils Benson branches bristles Britton & Rose brown bushy cacti cactus Central spines Cephalocereus cholla clumps color Coryphantha Coulter cylindrical distinctive Echinocactus polycephalus Echinocereus triglochidiatus Echinomastus elevations elongated Engelmann & Bigelow Engelmann Habit engelmannii erect Escobaria feet Ferocactus Figure flattened Florida Flowering areoles flowering joint flowering plant flowering plant showing Flowers yellow fruiting plant glochids growing hairs Haworth herbarium Inner perianth segments Lemaire Leptocereus long or less mature plant Mexico northern open flower Opuntia basilaris Opuntia littoralis Opuntia polyacantha Opuntia stanlyi ovary Ovary and fruit Peniocereus Pereskia polyacantha prickly pear Puerto Rico radial spines readily detached ribs Rose A flowering seed slender southeastern California southern Arizona southern Nevada southern New Mexico southern Texas species occurs specimens spine clusters spineless spines hooked spiny Stamens stems subulate succulent terete Texas tubercles tuberous upper Utah vivipara western Arizona western Texas whipplei widely cultivated