Dichanthelium lanuginosum (Ell.) Gould
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Dichanthelium lanuginosum (Ell.) Gould (1974)
Dichanthelium lanuginosum (Ell.) Gould
Nomenclature
(Ell.) Gould
Ell.
Gould
1974
ICN
species
Dichanthelium lanuginosum
Classification
Synonyms
Descriptions
Small perennial tufts, basal leaves « culm leaves, in winter only a basal tuft, in spring sending out simple leafy culms each topped by a delicate panicle, later stems branching freely above, with small panicles at first hidden among leaves. Leaf-sheath greenish or often purplish, stiffly membranous, rounded; margins with many long soft hairs. Ligule ciliate, hairs soft, 3-4.5 mm, extending as a contra-ligule. Leaf-blade of basal leaves 1-2.5 cm × 4-6 mm, ovate-lanceolate, acute, of cauline leaves 4-8.5 cm × 4-8 mm, linear-lanceolate, subacuminate, all leaves firm, erect or ascending, flat, strongly ribbed without obvious midrib, abaxially short-pubescent, adaxially sparsely finely pilose to almost glabrous, but usually hairy near base; margins minutely scabrid. Culm 30-45 cm, very slender near panicle, ± erect, nodes pubescent, internodes striate with scattered long fine hairs. Panicle lax, pyramidal to ovoid, 2.5-8 × 2-5 cm; rachis with scattered fine hairs, branches and branchlets few, slender, glabrous, bearing few spikelets on rather long pedicels. Spikelets 1.5-1.8 mm, pubescent, obtuse, green to purplish. Glumes very unequal; lower 0.5-1 mm, ovate, obtuse or almost truncate, nerves 0, upper = spikelet, 7-nerved, ovate, obtuse, with short scattered hairs. Lower floret Ø: lemma similar to upper glume, 7-nerved; palea 0. Upper floret ☿: lemma 1.2-1.4 mm, elliptic, subacute, faintly striolate, glabrous, shining, light cream; palea narrower; anthers 0.2-0.9 mm; caryopsis c. 1 × 1 mm.
Taxonomic concepts
Dichanthelium acuminatum subsp. fasciculatum (Torr.) Freckmann & Lelong
Dichanthelium acuminatum subsp. fasciculatum (Torr.) Freckmann & Lelong
Dichanthelium lanuginosum (Ell.) Gould
Dichanthelium lanuginosum (Ell.) Gould
Dichanthelium lanuginosum (Ell.) Gould
Dichanthelium lanuginosum (Ell.) Gould
Panicum dichotomum var. fasciculatum Torr.
Dichanthelium lanuginosum (Ell.) Gould
Panicum huachucae Ashe
Panicum huachucae Ashe
Dichanthelium lanuginosum (Ell.) Gould
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Metadata
bd5f66a6-d021-4ce5-8430-99524a738d81
scientific name
Names_Plants
30 May 2016
27 May 2023