Securidaca L.
First published in Syst. Nat., ed. 10. 2: 1155 (1759), nom. cons.
This genus is accepted
The native range of this genus is Tropical & Subtropical.
Descriptions
Polygalaceae, A. W. Exell. Flora Zambesiaca 1:1. 1960
- Morphology General Habit
- Small trees or shrubs, often scandent, or lianes with entire, alternate leaves.
- Morphology Reproductive morphology Flowers
- Flowers zygomorphic, in terminal and axillary racemes or panicles.
- Morphology Reproductive morphology Flowers Calyx
- Sepals 5, unequal, two lateral ones (wing-sepals) larger and petaloid, free.
- Morphology Reproductive morphology Flowers Corolla
- Petals 3 (occasionally 5, two being vestigial), lowest keel-shaped.
- Morphology Reproductive morphology Flowers Androecium Stamens
- Stamens 8, monadelphous.
- Morphology Reproductive morphology Flowers Gynoecium Ovary
- Ovary 1-locular.
- Morphology Reproductive morphology Fruits
- Fruit a samara (a 1-locular, 1-seeded, winged nut) usually 1-winged, occasionally with an additional rudimentary wing.
- Morphology Reproductive morphology Seeds
- Seed without caruncle and without endosperm.
Polygalaceae, Jorge Paiva. Flora of Tropical East Africa, 2007
- Morphology General Habit
- Small trees or shrubs, mostly scandent or lianas
- Morphology Leaves Stipules
- Stipules absent, when present glandular
- Morphology Leaves
- Leaves alternate
- Morphology Reproductive morphology Flowers
- Flowers in axillary or terminal racemes or paniculate
- Morphology Reproductive morphology Inflorescences Bracts
- Bracts and bracteoles small, caducous
- Morphology Reproductive morphology Flowers Calyx
- Sepals 5, unequal, free, the 2 internal (lateral) ones larger and petaloid (wing-sepals)
- Morphology Reproductive morphology Flowers Corolla
- Petals 3, occasionally 5, and then the 2 lateral ones vestigial, the 2 upper ones free from the lower one, which is ± keel-shaped (keel or carina), without a crest or appendages
- Morphology Reproductive morphology Flowers Androecium Stamens
- Stamens 8, partially fused at the base into a tapering sheath
- Morphology Reproductive morphology Flowers Gynoecium Ovary
- Ovary 2-locular, one abortive
- Morphology Reproductive morphology Fruits
- Fruit a 1-locular, 1-seeded, 1-winged nut (samara), occasionally with an additional rudimentary wing
- Morphology Reproductive morphology Seeds
- Seed without caruncle and endosperm.
Sources
-
Flora Zambesiaca
- Flora Zambesiaca
- http://creativecommons.org/licenses/by-nc-sa/3.0
-
Flora of Tropical East Africa
- Flora of Tropical East Africa
- http://creativecommons.org/licenses/by-nc-sa/3.0
-
Herbarium Catalogue Specimens
- Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/
-
Kew Backbone Distributions
- The International Plant Names Index and World Checklist of Vascular Plants 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
- © Copyright 2022 World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0
-
Kew Names and Taxonomic Backbone
- The International Plant Names Index and World Checklist of Vascular Plants 2023. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
- © Copyright 2022 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0