Comments
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englanti
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tarjonnut eFloras
In habit Eriocaulon texense is much like a diminutive version of E. compressum, likewise preferring deep bogs and also just as variable in the color of its bracts, bracteoles, and perianth.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Description
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englanti
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tarjonnut eFloras
Herbs, perennial, 5--30 cm. Leaves linear-attenuate, (1--)2--5(--7) cm, apex subulate. Inflorescences: scape sheaths mostly longer than principal leaves, inflated; scapes filiform to linear, 0.5--1 mm wide, 4--7-ribbed; mature heads white or gray, hemispheric to nearly globose, 5--10 mm wide, soft, much flattened when pressed; receptacle pilose; involucral bracts becoming reflexed, obscured by bracteoles and proximal flowers, straw-colored to gray, suborbiculate to broadly obovate, 1.5 mm, margins entire, apex rounded to apiculate, glabrous; inner bracts, receptacular bracteoles gray to dark gray, obovate to cuneate, 1.5 mm, apex obtuse to acute, blade densely ciliate, hairs white, club-shaped. Staminate flowers: sepals 2, proximally pale, distally dark gray, opaque, linear-spatulate, 1.5 mm, apex acute, distal adaxial surfaces, margins with white, club-shaped hairs; androphore club-shaped; petals 2, unequal, narrowly triangular, short, apically ciliate with white, club-shaped hairs; stamens 4; anthers black. Pistillate flowers: sepals 2, dark gray, narrowly oblong-obovate, curved, keeled, 1.5 mm, keels with white, club-shaped hairs; petals 2, yellow-white, linear to oblong or obovate, 1--1.5 mm, apex acute, blade ciliate with white, club-shaped hairs, adaxial surfaces pilose with mixture of translucent, tapering and white, club-shaped hairs; pistil 2-carpellate. Seeds brownish, ovoid or broadly ellipsoid, 0.6 mm, indistinctly alveolate, proximal ribs often with fine pale papillae.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Distribution
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englanti
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tarjonnut eFloras
Ala., Ga., La., Miss., N.C., Tex.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Habitat
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englanti
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tarjonnut eFloras
Sphagnous bogs and low pine savanna, seeps; 0--150m.
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- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Comprehensive Description
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englanti
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tarjonnut North American Flora
Eriocaulon texense Korn. Linnaea 27: 594. L856
Plants monoecious; stems very short; leaves tufted, spreading, membranous, plane, 1.5-6.5 cm. long, 1-3 mm. wide at the middle, linear, subulate-acute, fenestrately 10 13nerved, obscurely puberulent or becoming glabrate; peduncles solitary or 2-4, 11.5 34.5 cm long, slender, 5or 6-costate, slightly twisted, glabrous; sheaths surpassing the leaves, 4-9 cm. long; heads dense-flowered, hemispheric or subglobose, 4-7 mm. in diameter, denselj white-villose at the summit, only slightly compressed in drying; involucral bractlets flavescent . rather rigid, ovate, acute, glabrous; receptacle long-pilose; receptacular bractlets hyaline below, brown toward apex, cuneate-oblong, about equaling the florets, rather rigid, acute or subacuminate, long-pilose toward apex; staminate florets: sepals 2, free, yellowish or brown, spatulate, navicular, obtuse, pilose and slightly thickened toward apex; petal-tube whitish, its lobes 2, small, slightly unequal, pilosulous, glanduliferous; anthers 4, black; pistillate florets: sepals 2, yellowish or brown, oblong, deeply concave, obtuse, densely long-pilose on the back toward apex, cucullate at apex; petals 2, whitish, rather thick, spatulate, obtuse, glanduliferous, pilose; style short; stigmas 2.
Type locality: Texas (T. Drummond 409). Distribution: In wet soil of moist pinelands, Texas.
- bibliografinen lainaus
- Albert Charles Smith, Harold Norman Moldenke, Edward Johnston Alexander. 1937. XYRIDALES. North American flora. vol 19(1). New York Botanical Garden, New York, NY
Eriocaulon texense: Brief Summary
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vietnam
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tarjonnut wikipedia VI
Eriocaulon texense là một loài thực vật có hoa trong họ Eriocaulaceae. Loài này được Körn. mô tả khoa học đầu tiên năm 1856.
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- Wikipedia tác giả và biên tập viên