Maerua decumbens (Brongn.) DeWolf

First published in Kew Bull. 19: 62 (1964)
This species is accepted
The native range of this species is NE. Tropical Africa to N. Kenya. It is a tuberous geophyte and grows primarily in the desert or dry shrubland biome.

Descriptions

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit
Shrub, up to 1.5 m tall, glabrous, scabrous or rough with short stiff hairs, often glaucous; branches ascending or spreading
Morphology Leaves
Leaves simple; blade lanceolate to broadly elliptic or ovate, 6–25 x 3–15 mm, acute to obtuse and mucronate, stiff, leathery, midrib distinctly raised beneath, lateral nerves visible at least near petiole; petiole (2–)3–4.5(–5) mm long
Morphology Reproductive morphology Inflorescences
Flowers single in upper leaf axils; pedicel (8–)14–25(–30) mm long
Morphology Reproductive morphology Flowers Receptacle
Receptacle shortly cylindrical, 1.5–3.5 mm long in fruit
Morphology Reproductive morphology Flowers Calyx
Sepals 3, (9–) 12–15 mm long
Morphology Reproductive morphology Flowers Corolla
Petals absent
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens c. 40–45; androgynophore 0.5–1.5 mm longer than receptacle
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary narrowly ellipsoid, 3–4.5 mm long; gynophore 15–22 mm long
Morphology Reproductive morphology Fruits
Fruits globose or almost so, 2–3 x up to 2.5 cm, not or faintly beaked, breaking up irregularly at maturity, 1–2-seeded.
Ecology
Altitude up to 1900 m.
Distribution
?N Kenya Ethiopia N1, 2; C1, 2
Vernacular
Hule, malud, shifawin (Somali).
Note
Most populations in Somalia have scabrous stems as the type, while the populations in southern Ethiopia have smooth stems and approach M. edulis (Gilg & Bened.) DeWolf in East Africa and southwards to Transvaal.
[FSOM]

Sources

  • Flora of Somalia

    • Flora of Somalia
    • http://creativecommons.org/licenses/by-nc-sa/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