Cyperaceae
Bulbostylis

Bulbostylis glaberrima Kük.

First published in Notizbl. Bot. Gart. Berlin-Dahlem 9: 308 (1925)
This species is accepted
The native range of this species is E. Uganda to W. Central Kenya. 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: threatened. Confidence: low confidence
[AERP]

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

Type
Type: Kenya, Aberdare Mts, Fries & Fries 2394 (UPS, holo.; K!, iso.)
Morphology General Habit
Dwarf annual up to 2 cm tall with very slender root system and base covered with many pale multi-veined prophylls.
Morphology Stem
Stems green and ridged, 0.2 mm wide, glabrous or with few hairs
Morphology Leaves
Leaves ± 1 cm long, 0.2–0.4 mm wide, flat or ± canaliculate, glabrous, with few teeth at apex.
Morphology Leaves Leaf sheaths
Sheaths pale, tubular when young, glabrous
Morphology Reproductive morphology Inflorescences
Inflorescence of a single spikelet (less often with 1–2 additional) surrounded by leaves and leaf sheaths; main bract pale brown with projecting greenish midrib ± equalling spikelet which is 2–4 mm long.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes pale brown with darker patches near the greenish midrib, ± 1.5 mm long
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens and style-branches 3
Morphology Reproductive morphology Fruits
Nutlet whitish at first, becoming dark grey or blackish, obovoid, triangular, minutely reticulate; stipe base a distinct flattened persistent rim.
Ecology
Marshes and rocky outcrops in Erica belt; 3000–3600 m
Note
Lye notes this taxon may be conspecific with B. heterostachya Cherm.
Distribution
Range: Not known elsewhere Flora districts: U3 K 3/ K4
[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