Eastern Mojave Vegetation Coll. No. 1118, Poa pratensis ssp. pratensis  


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  Poaceae Poa pratensis pratensis
Scanned 21 September 2015.

Coll. No. 1118, 28 May 2015, characters observed: Perennial grass, to 60 cm.; Rhizomes, to 12 cm., 0.8 mm. dia.; Culm, not bulbous at base, not strongly flattened; Leaf, sheath, 130 mm., open at least ½; ligule, 1.8 mm., membraneous; auricles 0, blade, lower involute, upper flat, 75 mm. × 3 mm. wide, tip prow-shaped; Inflorescence, panicle, shape at maturity unknown, branches scabrous; Spikelets, 5 mm., singly pedicelled on 3°-5° branches; Compression lateral; Disarticulation above the glumes; Glumes, keeled, small line of stiff hairs distally, lower, 2.3 mm., <lowest lemma, veins 3, upper, 2.5 mm.; Florets, appear staminate, may be immature; Callus with some cobwebby hairs, but cobwebby hairs also elsewhere; Lemma, 3 mm., veins, 5, prominent, ±evenly spaced (leads to Melica, which this is not), keel and margins cobwebby proximally, margins scarious, tip broadly acute, awns 0, Palea, 2.5 mm., green, esp. on veins.

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