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

First published in Global Fl. 4: 66 (2018)
This species is accepted
The native range of this species is S. Tanzania to S. Africa. It is a rhizomatous geophyte and grows primarily in the desert or dry shrubland 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]

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

Morphology General Habit
Rosulate herb; rhizome subterranean, 0.6–1.2 cm in diameter
Morphology Leaves
Leaves erect, (4–)5–10, twisted-distichous, compressed-cylindric, 30–60 cm long, ± 4.5–6 cm broad at the sheathing base, gradually tapering to the horny white terete and sharp spine, apex 1–1.7 cm long, margins deep red-brown, less than 1 mm wide, acute, edged with white, thin membrane in some parts, very wide at base in old leaves in lower half, more or less obtuse and green towards the apex, the red-brown edge of the margin run like a collar around the base of the white apical point, slightly rough to very rough, channelled on the face and with ± 7–12 shallow grooves on the rounded back, thickness from the bottom of the channel to the back measured ± one third of the way up 0.8–1.5 cm; channel as wide as leaf near the base and gradually narrowing upwards, especially narrow on the inner (i.e. youngest) leaf; scaly leaves 1–5, 3–10 cm long, stiff, rounded apex, more or less deltoid, broad-based and clasping, red-brown margin with wide white-brown membrane.
Morphology Reproductive morphology Inflorescences
Inflorescence a terminal spike-like raceme ± 50 cm long; axis pale green, terete, 0.5–0.6 cm in diameter; flowers (3–)4–6 per cluster; lower inflorescence bracts 3, membranous, ± 5 cm long, clasping twothirds of the circumference at the base of the peduncle; bracteoles 3–10 mm long, fleshy at the base, and thence produced into a membranous acuminate early withering scale; pedicels 5–8 mm long, jointed about the middle, the upper part early deciduous with flower
Morphology Reproductive morphology Flowers
Flower buds cylindric, 2.1–2.4 cm long, with a lustrous appearance, drab yellow or white faintly flushed with pink or mauve and drab yellow or white faintly flushed with a mauve and the lightly clavate tip greyish-olive; tube ± 8–10 mm long, lobes linear, 12 mm long, obtuse, strongly revolute near the base; filaments yellowish, ± as long as the perianth, anthers 2.5–3 mm long; style whitish, ± 2 cm long
Morphology Reproductive morphology Fruits
Fruit up to 2 per cluster, a globose berry 0.6–0.9 cm diameter
Figures
Fig. 3, p. 29
Distribution
Zambia, Mozambique, Zimbabwe, Botswana
Ecology
No data for our area
Conservation
Least concern
Note
This taxon was also seen at Brookside Nurseries, Kent, where it had a spiral-distichous leaf arrangement and a very abrupt twist. Newton in Ill. Handbook Succ. plants (2001) regards it as a synonym of {i}S. pearsonii {/i}N.E. Brown
[FTEA]

Uses

Use
No data
[FTEA]

Common Names

English
Gemsbok horn, Spiky mother-in-law's tongue, Stiff bowstring

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
  • Plants and People Africa

    • Common Names from Plants and People Africa http://www.plantsandpeopleafrica.com/
    • © Plants and People Africa http://www.plantsandpeopleafrica.com http://creativecommons.org/licenses/by/3.0/