Rytidosperma pumilum (Kirk) H.P.Linder APNI* Synonyms: Erythranthera pumila (Kirk) Zotov APNI*
Description: Delicate tufted perennial, 5–6.5 cm high; culms erect, smooth, glabrous; nodes sometimes swollen, glabrous.
Leaves with sheath longer than internode, ribbed, glabrous; ligule a ciliate rim with hairs <0.25 mm long, usually with rigid hairs to 1 mm long at each end; blade folded, bristle-like, glabrous.
Inflorescence a raceme 9–13 mm long, c. 3 mm wide, exserted, bearing 3 or 4 spikelets; rachis scabrous, glabrous. Spikelets 4–5.5 mm long, pedicels 0.5–1 mm long and scabrous; florets 3 or 4, bisexual. Glumes lanceolate, 4–5 mm long, acute, 3-nerved, smooth, glabrous. Lemmas ovate to lanceolate, c. 2 mm long, 3-toothed, 3-nerved, back with sparse silky hairs to 0.5 mm long. Palea same length as lemma, 2-toothed, 2-keeled, keels minutely ciliate.
Flowering: Summer.
Distribution and occurrence: Grows on alpine scree slopes, rare; in the Kosciusko area.
NSW subdivisions: ST
Threatened species: NSW BCA: Vulnerable; Commonwealth EPBC: Vulnerable
Text by S. W. L. Jacobs & K. L. McClay Taxon concept: H.P. linder & G.A. Verboom (1996)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data ***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.
|