Eastern Mojave Vegetation Inflorescence of Coll. No. 1528, Elymus trachycaulis  


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  Poaceae Elymus trachycaulis
Scanned 16 January 2017.

North Table Mountain, Jefferson County, Colorado. Lower south slopes of North Table Mountain, above Peery Parkway, 250 m. south of the USBR monument “North Table,”1.25 km. north of the GNIS location of Golden. 39.7669°N, 105.22°W. WGS 1984 Elev. 1835 m. Small wetland where the North Table Mountain Trail crosses a watercourse below a near-perennial spring that is higher on the south slope of the mesa.

Coll. No. 1528, 5 August 2016, characters observed: Perennial grass, to 1 m., generally glabrous except as noted; Leaves, sheath, open, ligule, membraneous, auricles, small, 1 mm., blade, 25 mm. Inflorescence, bi-lateral spike; Spikelets, mostly 1 per node, about 1/3 have 2 per node, 21 mm. × 3.5 mm. wide, compression, lateral; Disarticulation, between the florets; Glumes, #2, ±equal, 11 mm. + awns 2 mm., not quite straight, thick, tough, not keeled, veins, 5, prominent, margins, widest at middle, Florets, #8, Lemma, 9 mm. + awn 3 mm, longitudinally symetric; Palea, 9 mm., tip, bifid, veins, ciliate; Anthers, 3 mm.

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Other photos about Species - Poaceae or Elymus trachycaulius.


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Date and time this page was prepared: 6/16/2024 11:57:58 AM