Eastern Mojave Vegetation Inflorescence of Coll. No. 1175, Poa secunda ssp. juncifolia  


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  Poaceae Poa secunda juncifolia
Scanned 5 November 2015.

Coll. No. 1175, 25 Jun 2015, characters observed: Perennial grass, to 75 cm., basal or subterranean nodes not enlarged, rhizomes 0; Leaves, sheath, open, ligule, membraneous, 3 mm., blade, tips, prow-shaped; Inflorescence, well-developed panicle, 1°-4° branching evident, exceeding upper leaves; Spikelets, many, all similar, 1 per node, not subtended by bristles or long-silky hairs, ovate in outline, bisexual; Compression, obvious, moderate lateral; Glumes, #2, awns 0, < lowest floret, lower, 2.4 mm., veins 1, upper, 2.8 mm., veins 3; Disarticulation, above the glumes, Florets, #3+, fertile, 2+; Callus, generally glabrous, but there is a small (0.3 mm.) tangle of hairs atop the callus or at the base of the lemma that stays with the callus or caryopsis when lemma is removed; Lemma, 3.5 mm., slightly keeled distally, veins indistinct, awn 0; Palea, 3.2 mm., veins hairy or scabrous; Anthers, 1.8 mm.

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Date and time this page was prepared: 9/18/2023 5:25:47 PM