Asparagaceae
Dipcadi

Dipcadi rigidifolium Baker

First published in J. Linn. Soc., Bot. 11: 399 (1870)
This species is accepted
The native range of this species is S. Zambia to N. Cape Prov. It is a bulbous geophyte and grows primarily in the subtropical 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]

Stedje, B. & Kativu, S. (2023). Hyacinthaceae. In: M.A. García & B.F.P. Loeuille (eds), Flora Zambesiaca, Vol. 13(3). Royal Botanic Gardens, Kew.

Type
Type: South Africa, Pretoria Dist., Apies R., Burke s.n. (K holotype).
Morphology General Habit
Plants 30–54 cm high
Vegetative Multiplication Bulbs
Bulbs globose, 2–5 cm wide; outer leaf bases thin
Morphology Leaves
Leaves 2–3 per flowering shoot (often 2–3 shoots per bulb), linear-lanceolate to lanceolate, glabrous, leathery, closely ribbed, acute, apiculate, clasping, up to 30 cm long and 25 mm wide, margin prominent, yellowish
Morphology Reproductive morphology Inflorescences Peduncles
Peduncle curved at base, terete; raceme one-sided, lax, 8–20 flowered, to 30 cm long; bracts narrowly ovate, acuminate, persistent; pedicels up to 1.2 cm long in fruit
Morphology Reproductive morphology Flowers Tepal
Tepals green, c.15 mm long (excluding appendages); segments fused to ± halfway, outer ones spreading or recurved in upper half, 1.2 mm long appendages 5–14 mm long
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens with anthers acute or minutely mucronate
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary oblong; style ± long as ovary; stigmas 3, ligulate
Morphology Reproductive morphology Fruits
Capsule broadly oblong, 3-angled, with remains of perianth, 18 mm long; seeds not seen.
Distribution
Botswana, Zambia, Zimbabwe. Also in South Africa (former Cape and Transvaal).
Ecology
In dambo grassland on sandy soils; 1000–1400 m.
Conservation
Localised distribution, but probably not threatened.
[FZ]

Sources

  • Angiosperm Extinction Risk Predictions v1

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

  • Flora Zambesiaca

    • Flora Zambesiaca
    • 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