Orchidaceae
Angraecum

Angraecum distichum Lindl.

First published in Edwards's Bot. Reg. 21: t. 1781 (1835)
This species is accepted
The native range of this species is W. Tropical Africa to Uganda and N. Angola. It is an epiphytic subshrub and grows primarily in the wet tropical biome.

Descriptions

Orchidaceae, V. S. Summerhayes. Flora of West Tropical Africa 3:1. 1968

Morphology Reproductive morphology Flowers
Flowers white.
[FWTA]

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]

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/16222565/16222887

Conservation
LC - least concern
[IUCN]

Orchidaceae, V. S. Summerhayes. Flora of Tropical East Africa. 1968

Morphology General Habit
A dwarf epiphyte often forming considerable clumps.
Morphology Stem
Stems arcuate, slender, seldom branching, 3–25 cm. long; roots fine, 0.5 mm. in diameter.
Morphology Leaves
Leaves distichous, bilaterally compressed, curved-elliptic, obtuse in side view, 5–11 mm. long, 3–5 mm. wide, glossy dark green, deciduous, articulated to overlapping leaf-bases.
Morphology Reproductive morphology Inflorescences
Inflorescences opposite leaves, 1-flowered, 8–9 mm. long; bracts elliptic, obtuse, 1–1.5 mm. long.
Morphology Reproductive morphology Flowers
Flowers white; pedicel and ovary 5–6.5 mm. long.
Morphology Reproductive morphology Flowers Calyx
Sepals elliptic or oblong-elliptic, obtuse, 3.6–4.5 mm. long, 1.5–2 mm. wide.
Morphology Reproductive morphology Flowers Corolla
Petals oblong or oblong-elliptic, obtuse, 3.2–4.2 mm. long, 1.2–1.3 mm. wide.
Morphology Reproductive morphology Flowers Labellum
Lip concave, obscurely 3-lobed, obovate, obtuse, 2.9–3.5 mm. long, 2.8–4 mm. wide; side lobes rounded.
Morphology Reproductive morphology Flowers Spur
Spur straight or slightly upcurved, tapering to an acute apex, 5.5–6 mm. long.
Morphology Reproductive morphology Flowers Column
Column 0.7 mm. long.
Morphology Reproductive morphology Fruits
Fruit 7–8 mm. long.
Figures
Pl. 5.
Habitat
In upland rain-forest; 1500–1600 m.
Distribution
U2 Sierra Leone to Zaire
[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

  • Flora of West Tropical Africa

    • Flora of West Tropical Africa
    • http://creativecommons.org/licenses/by-nc-sa/3.0

  • Herbarium Catalogue Specimens

  • IUCN Categories

    • IUCN Red List of Threatened Species
    • http://creativecommons.org/licenses/by-nc-sa/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

  • Kew Science Photographs

    • Copyright applied to individual images