Angiosperms (Flowering Plants) • Earth.com

Chimonocalamus longiusculus

(Chimonocalamus longiusculus)

en

Description

Culms 4–6 m,1–2 cm in diam.;internodes terete,flattened above branches,to 37 cm,basally nearly solid,hollow further up culm;wall thick;nodes very prominent,minutely white hairy below nodes;root thorns few,short,conical.Culm sheaths gradually deciduous,oblong,thickly papery,proximally glossy-tawny hairy,distally pubescent,attenuate into slightly convex apex ca.4 mm wide;auricles deciduous,tiny;ligule 1–1.5 mm,ciliate;blade linear,3–5 × ca.0.2 cm,both surfaces pubescent.Leaves 3–5 per ultimate branch;sheaths glabrous;auricles absent or tiny;ligule slightly convex,ca.1 mm;blade linear,5–14 × 0.5–0.9 cm.Inflorescence a panicle terminal to leafy branch.Spikelets 2.5–4 cm;florets 3–7.Glumes 2;rachilla internodes flattened,4–5 mm,densely pubescent;lemma lanceolate,0.9–1 cm,papery,pubescent;palea slightly longer than lemma;lodicules obovate,one shorter and narrower.Anthers unknown.Style short;stigmas 2.Caryopsis unknown.New shoots Apr–May,fl.May.

Taxonomic tree:

Domain:
Kingdom: Plantae
Phylum:
Class: Liliopsida
Order:Poales
Family:Poaceae
Genus:Chimonocalamus
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