[FZ]
Cycadaceae, John Lewis. Flora Zambesiaca 1:1. 1960
- Morphology General Habit
- Dioecious trees or shrubs
- Morphology Stem
- Trunk simple or sparsely branched, covered with spirally arranged leaf-bases and scale-leaves, either up to 15 m. tall or very short and almost subterranean
- Morphology Leaves
- Leaves usually long and pinnate, in close spirals, forming an often wide-spreading crown on the trunk and (except in one species of Macrozamia) intercalated with leathery scale-leaves
- sex Male
- Staminate strobilus forming a terminal cone of leathery scales with numerous pollen-sacs on their abaxial surface
- Morphology Reproductive morphology Cones
- Female strobilus either a loose apical whorl of fronds bearing erect ovules marginally (Cycas) or a terminal cone of thick and often woody scales bearing a pair of inverted ovules adaxially Staminate strobilus forming a terminal cone of leathery scales with numerous pollen-sacs on their abaxial surface
- sex Female
- Female strobilus either a loose apical whorl of fronds bearing erect ovules marginally (Cycas) or a terminal cone of thick and often woody scales bearing a pair of inverted ovules adaxially
[FWTA]
Cycadaceae, Hutchinson and Dalziel. Flora of West Tropical Africa 1:1. 1954
- Morphology General Habit
- Shrubs or small trees with thick, usually simple stems and a crown of pinnatisect leaves circinate in bud; leaflets often with spiny teeth
- Morphology Reproductive morphology Cones
- Cones dioecious Males terminal or subterminal, composed of numerous leathery or fleshy flat or peltate scales bearing on the under-surface numerous pollen-sacs Female cones similar, the scales bearing a pair of inverted nude ovules on the lower side
- sex Male
- Males terminal or subterminal, composed of numerous leathery or fleshy flat or peltate scales bearing on the under-surface numerous pollen-sacs
- sex Female
- Female cones similar, the scales bearing a pair of inverted nude ovules on the lower side
- Morphology Reproductive morphology Seeds
- Seeds large, drupe-like, with copious endosperm; cotyledons 2
Cycadaceae Pers. appears in other Kew resources:
First published in Syn. Pl. [Persoon] 2: 630. 1807 (1807)
Flora Zambesiaca
Flora Zambesiaca
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Flora of West Tropical Africa
Flora of West Tropical Africa
http://creativecommons.org/licenses/by-nc-sa/3.0
Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0