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(Last Modified On 5/29/2013)
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(Last Modified On 5/29/2013)
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Species
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Halenia rhyacophila C. Allen
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PlaceOfPublication
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Ann. Missouri Bot. Gard. 20: 168. 1933.
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Description
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Herb, perennial, to 18 cm tall (Panama); the stems single or several-branched at the base, terete, inconspicuously winged, the internodes very short. Leaves basal and cauline, the basal leaves often in a dense rosette, narrowly deltoid, apically acute to short-apiculate, basally long-attenuate, sessile to subsessile, 3.5-5.2 cm long and 0.3-0.5 cm broad, trinervate, ? undulate, the cauline leaves linear-ovate, acute at the apex, long-attenuate into a short petiole, 1-3.5 cm long and 2-3 mm broad, trinervate. Inflorescences terminal or axillary, appearing cy- mose or racemose, ? compact, several- to many-flowered, the flowers often ap- pearing congested; the pedicel 1-2.5 cm long, strongly ascending. Flowers white; calyx lobes narrowly ovate to narrowly oblong-ovate, acute at the apex, 5-7 mm long and 1-1.5 mm broad, trinervate, ? papillate; corolla lobes ovate to elliptic, obtuse, acute to short acuminate at the apex, the margin minutely erose, 5-10 mm long and 3.5-5 mm broad, ? papillate, the spurs 2.5-4 mm long, descending to strongly descending, 0.3-0.7 mm in diameter; stamens 4-4.7 mm long, the filaments 2.5-3 mm long, linear, flattened, the anthers 1.5-1.7 mm long, the thecae free and slightly spreading at the base; pistil ca. 5.2 mm long, the ovary ellipsoid, ca. 3 mm long, evanescing into the style, the stigmatic lobes ca. 0.5 mm long, truncate at the apex. Capsules ellipsoid, 10-12 mm long, ? lustrous,
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Habit
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Herb
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Description
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the style and stigma often persisting; seeds ellipsoid, 1.2-1.5 mm long, smooth, brown.
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Distribution
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Common at higher altitudes in Costa Rica and extending into the Province of Chiriqui in Panama.
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Specimen
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CHIRIQUI: Cerro Pando, valley of the upper Rio Chiriquf Viejo, White 7 (MO).
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Project Name
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