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Descriptions

W.D. Clayton, M. Vorontsova, K.T. Harman & H. Williamson

© Copyright The Board of Trustees, Royal Botanic Gardens, Kew.

Capillipedium filiculme

HABIT Annual. Culms rambling; weak; 30–80 cm long; rooting from lower nodes. Culm-nodes glabrous, or bearded. Ligule an eciliate membrane; acute. Leaf-blades involute, or convolute; 2–5 cm long; 4–6 mm wide. Leaf-blade apex acuminate.

INFLORESCENCE Inflorescence a panicle with branches tipped by a raceme.

Panicle open; oblong; 3–10 cm long. Panicle branches capillary.

Racemes bearing few fertile spikelets, or many spikelets; 1–3 fertile spikelets on each. Rhachis evident, or obsolete; fragile at the nodes; subterete; ciliate on margins. Rhachis internodes linear; 1–2 mm long.

Spikelets in pairs, or in threes. Fertile spikelets sessile; 1 in the cluster. Companion sterile spikelets pedicelled; 1 in the cluster, or 2 in the cluster. Pedicels linear; 1–2 mm long; with a translucent median line (also present in internodes); ciliate.

STERILE SPIKELETS Companion sterile spikelets well-developed; containing empty lemmas; lanceolate; shorter than fertile; separately deciduous. Companion sterile spikelet lemmas enclosed by glumes.

FERTILE SPIKELETS Spikelets comprising 1 basal sterile florets; 1 fertile florets; without rhachilla extension. Spikelets elliptic, or oblong; dorsally compressed; 2–3 mm long; falling entire; deciduous with accessory branch structures. Spikelet callus bearded; base obtuse; attached transversely.

GLUMES Glumes dissimilar; exceeding apex of florets; firmer than fertile lemma. Lower glume ovate; 1 length of spikelet; chartaceous; 2-keeled; keeled obtusely; 7 -veined. Lower glume surface concave; glabrous, or villous. Upper glume lanceolate, or oblong; chartaceous; with hyaline margins; 1-keeled; 3–5 -veined.

FLORETS Basal sterile florets barren; without significant palea. Lemma of lower sterile floret oblong; 1–1.5 mm long; hyaline; 0 -veined; without midvein; without lateral veins. Fertile lemma linear; 1–2 mm long; hyaline; without keel; 1 -veined. Lemma apex entire; acute; awned; 1 -awned. Principal lemma awn geniculate; 10–12 mm long overall; with twisted column. Column of lemma awn 5 mm long; glabrous. Palea absent or minute.

FLOWER Anthers 3; 1–1.5 mm long.

DISTRIBUTION Asia-tropical: India.

NOTES Andropogoneae. Nair 1993.

Please cite this publication as detailed in How to Cite Version: 3rd February 2016.