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(Last Modified On 7/25/2013)
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(Last Modified On 7/25/2013)
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Species
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Chaetothylax leucanthus Leonard
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PlaceOfPublication
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Contr. U.S. Natl. Herb. 31: 664. 1958.
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Note
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TYPE: Colombia, Pennell 3985 (NY, not seen).
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Description
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Herbs to 60 cm tall; stems erect, terete, with retrorse hairs mostly along two lines. Leaves ovate elliptic to elliptic, to 8 cm long, 3 cm wide, apically acute, cuspidate at the tip, basally attenuate, glabrous above, sparingly strigose beneath, the hairs more dense on the costa and the veins, the cystoliths dense and promi- nent above, the margins entire to crenate; petioles short, to ca. 5 mm long, strigose. Inflorescences in compact terminal and axillary spicate panicles, the spikes to 4 cm long, 1 cm wide, dense, more or less one-sided; panicles subtended by small leaves; bracts narrowly subulate, to 9 mm long, 0.5 mm wide, ciliate, and mod- erately puberulous. Flowers with 4-merous calyx, segments narrowly subulate,
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Habit
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Herbs
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Description
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to 11 mm long, ca. 0.4 mm wide, ciliate and minutely glandular puberulous; corolla white, ca. 14 mm long, puberulous except at the base, the tube cylindrical, 9 mm long, 0.5 mm in diameter, the upper lip ovate oblong, 3.5 mm long, 1 mm wide, apically emarginate, the lower lip 3-lobed, ca. 3.25 mm long, the lobes oblong, 2 mm long, the middle lobe 1.5 mm wide, the lateral lobes 1.25 mm wide, all apically obtuse; stamens exserted about half the length of the upper lip, the upper anther cell 0.75 mm long, the lower cell attached 0.5 mm beneath the upper cell, reduced, sterile, the filaments glabrous. Capsule clavate, 6 mm long, 1 mm broad, 2 mm thick, puberulous; seeds 4, orbicular, slightly flattened, 1 mm in diameter, 0.5 mm thick, puberulous.
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Note
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This species is found along trails and in clearings at lower elevations.
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Specimen
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CANAL ZONE: Boy Scout Road near path to lake, Groat 8966 (MO). Boy Scout Road, Madden Dam area, second growth forest, Porter et al. 4037 (MO). PANAMA&: Cernmlefo, Dwyer & Robyns 98 (MO).
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