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Yosemite Leafless Bulrush

Oreobolopsis clementis (M. E. Jones) Dhooge & Goetgh.

Comprehensive Description

provided by North American Flora
Scirpus clementis M. E. Jones, Contr. W Bot. 14: 21. 1912.
Scirpus yosemitanus Smiley, Univ. Calif. Publ. Bot. 9: 108. 1821.
Dwarf, very densely cespitose, fibrous-rooted perennial; culms 0.3-1.2 dm. long, erect, green, grooved, terete, smooth, clothed at the base with brown, persistent sheaths, the margin of the orifice very hyaline, soon splitting, the upper sheath green, its blade (1-4 cm. long) ca. 5 mm. broad, blunt-tipped, smooth or very obscurely scabrous on the margins, rather spongy; spikelets 2-3 mm. long, 1-2 mm. broad, solitary, terminal, 2-4-flowered; outer scale 2-3 mm. long, brown, prominently bracteal, the midrib yellow, prolonged 3.3 mm., smooth or scabrousmargined, blunt-tipped; inner scales ovate, brown with a yellow midrib; bristles 6, variable, yellow, broad, chartaceous, shorter than the achene; stamens 3; style trifid, brick-red; achene 2 mm. long, 1 mm. broad, dark brown, ovate, trigonous, minutely apiculate.
Type locality: Rae Lake, Fresno County, California.
Distribution: Gravel banks and wet peaty meadows near mountain streams; Sierra Nevada, California.
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bibliographic citation
Alan Ackerman Beetle. 1947. (POALES); (CYPERACEAE); SCIRPEAE (PARS). North American flora. vol 18(8) New York Botanical Garden, New York, NY
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Trichophorum clementis

provided by wikipedia EN

Trichophorum clementis (syn. Scirpus clementis) is a species of flowering plant in the sedge family known by the common name Yosemite bulrush.[1] It is endemic to the Sierra Nevada of California, where it is known from high-elevation mountain meadows and streambanks.

Description

It is a perennial herb forming a dense tuft of erect, ridged stems up to 12 centimeters (4.7 in) tall. There are a few short, thick, hairlike leaves at the base. At the tip of each stem is the inflorescence, a clublike spikelet less than a centimeter long which is composed of a few tiny flowers. The flowers produce smooth dark fruits that are achenes no more than 2 millimeters (0.079 in) long.

References

  1. ^ USDA, NRCS (n.d.). "Trichophorum clementis". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 14 December 2015.

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Trichophorum clementis: Brief Summary

provided by wikipedia EN

Trichophorum clementis (syn. Scirpus clementis) is a species of flowering plant in the sedge family known by the common name Yosemite bulrush. It is endemic to the Sierra Nevada of California, where it is known from high-elevation mountain meadows and streambanks.

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Oreobolopsis clementis ( Vietnamese )

provided by wikipedia VI

Oreobolopsis clementis là loài thực vật có hoa trong họ Cói. Loài này được (M.E.Jones) Dhooge & Goetgh. mô tả khoa học đầu tiên năm 2002.[1]

Chú thích

  1. ^ The Plant List (2010). Oreobolopsis clementis. Truy cập ngày 11 tháng 6 năm 2013.

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Oreobolopsis clementis: Brief Summary ( Vietnamese )

provided by wikipedia VI

Oreobolopsis clementis là loài thực vật có hoa trong họ Cói. Loài này được (M.E.Jones) Dhooge & Goetgh. mô tả khoa học đầu tiên năm 2002.

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Wikipedia tác giả và biên tập viên
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wikipedia VI