Cyperaceae
Bulbostylis

Bulbostylis schimperiana (Hochst. ex A.Rich.) C.B.Clarke

First published in T.A.Durand & H.Schinz, Consp. Fl. Afric. 5: 616 (1894)
This species is accepted
The native range of this species is Ethiopia to Tanzania. It is an annual and grows primarily in the seasonally dry tropical biome.

Descriptions

Extinction risk predictions for the world's flowering plants to support their conservation (2024). Bachman, S.P., Brown, M.J.M., Leão, T.C.C., Lughadha, E.N., Walker, B.E. https://nph.onlinelibrary.wiley.com/doi/full/10.1111/nph.19592

Conservation
Predicted extinction risk: not threatened. Confidence: confident
[AERP]

Cyperaceae, K Hoenselaar, B. Verdcourt & H. Beentje. Hypolytrum, D Simpson. Fuirena, M Muasya. Flora of Tropical East Africa. 2010

Type
Type: Ethiopia, Adowa, Schimper 299 (P, holo.; K!, iso.)
Morphology General Habit
Tufted annual with shallow roots, (5–)10–25 cm tall.
Morphology Stem
Stems 0.4–1 mm wide, ridged, glabrous
Morphology Leaves
Leaves up to 8 cm long, 1 mm wide, glabrous or with scattered hairs and longer 2–5 mm long hairs at mouth of leaf-sheath
Morphology Reproductive morphology Inflorescences
Inflorescence usually a single head of dark spikelets but sometimes an additional stalked head, or with 1 sessile and 1–8 stalked spikelets.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets dark, 4–7 mm long, 2–2.5 mm wide.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes dark brown to black with paler brown midrib, 1.5–2 mm long, shortly pubescent, obtuse or with slightly projecting midrib
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 2 with ± 0.5 mm long anthers and filaments 2 mm long
Morphology Reproductive morphology Fruits
Nutlets pale grey or whitish, obovoid with cuneate base, the surface with longitudinal ribs and grooves with horizontal ribs connecting the longitudinal ribs.
Morphology Reproductive morphology Flowers Gynoecium Style
Style base not persistent.
Ecology
Grassland, Acacia woodland, Tarchonanthus- Acacia thicket, wet crevices in rockfaces, roadside ditches, weed in experimental plots; 1200–1800(–2100) m
Note
C.B. Clarke gives Fimbristylis schimperiana Boeck., but does not cite Schimper 2066, neither have I seen it. Lye does not mention the name in Fl. Eth.
Distribution
Flora districts: U4 K1 K3 K4 T2 T5 T7 Range: Ethiopia
[FTEA]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0

  • 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 2026. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 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 2026. Published on the Internet at http://www.ipni.org and https://powo.science.kew.org/
    • © Copyright 2023 International Plant Names Index and World Checklist of Vascular Plants. http://creativecommons.org/licenses/by/3.0