Dichelachne rara (R.Br.) Vickery
Details
Dichelachne rara (R.Br.) Vickery, Contributions from the New South Wales National Herbarium 1: 337 (1950)
Nomenclature
(R.Br.) Vickery
R.Br.
Vickery
1950
1: 337
ICN
species
Dichelachne rara
Classification
Subordinates
Vernacular names
Descriptions
Dichelachne rara (R.Br.) Vickery
Stout or slender, moderately tall, extravaginal tufts, leaves < culms. Sheaths light brown, sometimes purpled, usually glabrous below and scaberulous above, rarely with projecting hairs; ligule (0.5)-1-1.5 mm long, membranous, ciliate across truncate top, scabrous to ciliate on back, often asymmetric; lamina to 10 cm long, 1.5- 2.5 mm wide, rather stiff, flat, minutely scabrous along nerves and margins, tapered towards tip. Culms 35-70 cm tall, glabrous, often minutely scaberulous near nodes. Panicle (5.5)-10-16 cm long, ± lax, with short, ± erect, few-flowered branchlets; rachis, branchlets and pedicels shortscabrous, partly visible among spikelets; spikelets pale, shining. Glumes ± equal, > lemma, ellipticlanceolate, aristate, hyaline apart from scabrous midnerve, lower 4-5.5-(6) mm long, upper 4.5- 6 mm long. Lemma 3.5-5 mm long, surface minutely scabrous, tip opaque, scabrous, bifid; awn 10-20 mm long, once geniculate, brownish, inserted 0.3-0.5-(0.9) mm below lemma tip, column tightly twisted several times. Palea 3-4 mm long, narrowlinear, keels scabrous near ciliate tip. Callus hairs 0.5-1 mm long. Lodicules 0.5-0.7 mm long, ellipticoblong, bifid at shortly ciliate tip. Rachilla prolongation usually obvious, up to c. 1 mm long. Anthers 1-3, 0.8-1.9 mm long in chasmogamous flowers, 0.4-0.9 mm long in cleistogamous flowers. Caryopsis (1.4)-1.8-2 × 0.3-0.4 mm; embryo 0.2- 0.4 mm long; hilum (1.2)-1.6-1.8 mm long. Naturalised in New Zealand from Australia.
Dichelachne rara (R.Br.) Vickery
[Unable to display]
Taxonomic concepts
Dichelachne rara (R.Br.) Vickery
Dichelachne rara (R.Br.) Vickery
Collections
Identification keys
Metadata
57f1c069-72c9-477c-ae22-a3c7ea9b8129
scientific name
Names_Plants
1 January 2000
4 March 2022