Asparagaceae
Dracaena

Dracaena subtilis (N.E.Br.) Byng & Christenh.

First published in Global Fl. 4: 67 (2018)
This species is accepted
The native range of this species is Uganda. It is a rhizomatous geophyte 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: confident
[AERP]

Dracenaceae, Geoffrey Mwachala & Paul Mbugua, Flora of Tropical East Africa. 2007

Morphology General Habit
Acaulescent, with creeping rootstock 8–11 mm in diameter
Morphology Leaves
Leaves 2–4, erect or slightly recurving, linear-lanceolate, 55–70 cm long, 2.5–4.5 cm wide, 0.25 cm thick in mid-leaf, smooth, tapering at base into a 5–30 cm long channelled petiole, narrowing at apex to a 12–25 mm long soft subulate tip, green, lower surface sometimes with faint transverse bands, margin green
Morphology Reproductive morphology Inflorescences
Inflorescence simple, spikelike, 38–53 cm long; flowers 2–3 per cluster; bracteoles lanceolate, 3–4.2 mm, acuminate; pedicel 4–7.5 mm
Morphology Reproductive morphology Flowers
Flowers white, perianth tube 6–8.5 mm long, lobes recurved or slightly revolute, 10–13 mm long.
Note
Collected from Uganda initially but grown at Kew from 1960-66 for cytological studies. Cyt: 63.804 2n=40. {i}Marchand, C. {/i}63.804 9.I.1964.; Base West Ruwenzori, {i}Humbert {/i}3 1933.
[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 2024. 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 2024. 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