Satyrium shirense Rolfe

First published in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 7: 266 (1898)
This species is accepted
The native range of this species is E. & S. Tanzania to NE. Zambia. It is a tuberous geophyte and grows primarily in the subtropical biome.

Descriptions

IUCN Red List of Threatened Species https://www.iucnredlist.org/species/103430227/103430519

Conservation
DD - data deficient
[IUCN]

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: low confidence
[AERP]

Orchidaceae, I. la Croix and P.J. Cribb. Flora Zambesiaca 11:1. 1995

Morphology General Habit
Slender terrestrial herb 13–45 cm tall.
Morphology Leaves
Leaves 6–7; the lowermost 1–2 leaves sheath-like; the next 2 leaves spreading, borne near the the stem base but not appressed to ground, 5–14.5 × 2–6 cm, broadly lanceolate to ovate, light green; the upper leaves bract-like, spaced along the stem.
Morphology Reproductive morphology Inflorescences
Inflorescence 3–15 × 1–2 cm, fairly densely several- to many-flowered.
Morphology Reproductive morphology Flowers
Flowers creamy-white.
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary 6–8 mm long.
Morphology Reproductive morphology Inflorescences Bracts
Bracts to 15 mm long at base of inflorescence, reflexed.
Morphology Reproductive morphology Flowers Perianth
Sepals and petals deflexed, the lateral sepals spirally twisted, joined to each other and lip in basal half.
Morphology Reproductive morphology Flowers Calyx
Median sepal 3–4 mm long, less than 1 mm wide, oblong-oblanceolate, rounded; lateral sepals slightly longer and almost twice as wide.
Morphology Reproductive morphology Flowers Corolla
Petals similar to median sepal but narrower.
Morphology Reproductive morphology Flowers Labellum
Lip 4–5 mm long, ± globose with a slight dorsal keel, fleshy with a narrow mouth.
Morphology Reproductive morphology Flowers Spur
Spurs 8–12 mm long, slender, parallel to ovary; some flowers in an inflorescence have 2 vestigial spurs beside the main spurs.
Morphology Reproductive morphology Flowers Column
Column 3 mm long; rostellum very short, the apex reflexed, the side lobes represented by minute teeth.
[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

    • 'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    • Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/
  • 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