Capillipedium pteropechys (C.B.Clarke) Stapf

First published in Hooker's Icon. Pl. 31: t. 3085 (1922)
This species is accepted
The native range of this species is Assam (Nagaland). It is a perennial and grows primarily in the wet tropical biome.

Descriptions

Morphology General Habit
Perennial. Culms decumbent; slender; 40-60 cm long. Culm-nodes bearded. Lateral branches lacking, or sparse. Ligule a fringe of hairs. Leaf-blades involute; 7.5-15 cm long; 3-4 mm wide. Leaf-blade surface pilose; sparsely hairy; hairy abaxially; with tubercle-based hairs. Leaf-blade apex acuminate.
Morphology Reproductive morphology Inflorescences
Inflorescence a panicle with branches tipped by a raceme. Panicle open; oblong; 5-7.5 cm long. Panicle branches capillary; pilose; hairy at tip. Racemes 1 cm long; bearing many spikelets; bearing 3-5 fertile spikelets on each. Rhachis fragile at the nodes; subterete; ciliate on margins. Rhachis internodes linear; 0.5 length of fertile spikelet. Spikelets in pairs. Fertile spikelets sessile; 1 in the cluster. Companion sterile spikelets pedicelled; 1 in the cluster. Pedicels linear; 1.5-2 mm long; with a translucent median line (also present in internodes); ciliate.
Sterile
Companion sterile spikelets well-developed; containing empty lemmas, or male; lanceolate; shorter than fertile; separately deciduous. Companion sterile spikelet glumes 9-11 -veined. Companion sterile spikelet lemmas enclosed by glumes.
Morphology Reproductive morphology Inflorescences Spikelets
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; 3.75-4.75 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus pilose; base obtuse; attached transversely. Spikelet callus hairs 0.25 length of spikelet. Companion sterile spikelets well-developed; containing empty lemmas, or male; lanceolate; shorter than fertile; separately deciduous. Companion sterile spikelet glumes 9-11 -veined. Companion sterile spikelet lemmas enclosed by glumes.
Fertile
Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets oblong; dorsally compressed; 3.75-4.75 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus pilose; base obtuse; attached transversely. Spikelet callus hairs 0.25 length of spikelet.
Morphology Reproductive morphology Inflorescences Bracts Glume
Glumes dissimilar; exceeding apex of florets; firmer than fertile lemma. Lower glume oblong; 1 length of spikelet; chartaceous; 2-keeled; keeled obtusely; 9 -veined. Lower glume primary vein pectinately ciliate. Lower glume lateral veins prominent. Lower glume surface concave. Lower glume apex obtuse. Upper glume oblong, or ovate; chartaceous; 1-keeled; 3 -veined. Upper glume margins ciliate.
Morphology Reproductive morphology Flowers Florets
Basal sterile florets barren; without significant palea. Lemma of lower sterile floret oblong; hyaline; 0 -veined; without midvein; without lateral veins. Fertile lemma linear; hyaline; without keel; 1 -veined. Lemma apex entire; acute; awned; 1 -awned. Principal lemma awn geniculate; 15-20 mm long overall; with twisted column. Column of lemma awn glabrous. Palea absent or minute.
Morphology Reproductive morphology Flowers
Anthers 3; 2 mm long.
Distribution
Asia-tropical: India.
Reference
Andropogoneae. Fl Assam 1993.
[GB]

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]

Sources

  • Angiosperm Extinction Risk Predictions v1

    • Angiosperm Threat Predictions
    • http://creativecommons.org/licenses/by/4.0
  • GrassBase - The Online World Grass Flora

    • Clayton, W.D., Vorontsova, M.S., Harman, K.T. and Williamson, H. (2006 onwards). GrassBase - The Online World Grass Flora.
    • 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