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(Last Modified On 1/30/2013)
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(Last Modified On 1/30/2013)
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Species
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CORCHORUS HIRTUS L.
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PlaceOfPublication
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Sp. P1. ed. 2, 747. 1762.-Fig. 4 (A-B).
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Synonym
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Corchorus pilosus H. B. K., Nov. Gen. Sp. P1. 5: 338. 1823, t.487 (1822). Maerlensia hirsuta Vell., Fl. Flum. 231. 1825, Fl. Flum.Ic. 5: t.]12. 1835. Corchorus villosissimus St.-Hil., Juss. & Camb., Fl. Bras. Merid. 1: 217. 1827. Corchorus humilis St.-Hil., Juss. & Camb., loc. cit. 218. 1827. Corchorus hirtus var. pilosus K. Schum. in Mart., Fl. Bras. 12(3): 127. 1886. Corchorus hirtus var. brasiliensis K. Schum. in Mart., loc. cit. 127. 1886. Corchorus hirtus var. villosissimus (St-Hil., Juss. & Camb.) K. Schum. f. humilis (St.-Hil., Juss & Camb.) K. Schum. in Mart., loc. cit. 128. 1886. Corchorus hirtus var. villosissimus f. adscendens K. Schum. in Mart., loc. cit. 128. 1886. Corchorus hirtus var. villosissimus f. Hilarianus K. Schum. in Mart., loc. cit. 128. 1886. Corchorus hirtus var. Martii K. Schum. in Mart., loc. cit. 128. 1886.
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Description
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Herb, usually erect or sometimes spreading, the stem attaining 40-60 cm. or even more in height, sometimes somewhat woody below, branched or not, sparsely to densely hirsute, the hairs usually simple. Leaves short-petiolate, the petiole 3-5 mm. long, densely hirsute, the stipules linear-lanceolate, curved, acuminate, longer than the petioles, ca. 5-7 mm. long, hirsute; blade lanceolate to oblong-lanceolate or more or less ovate, acute at the apex, 1.5-4.3 cm. long and 0.7-2 cm. wide, herbaceous, the margins serrate-crcnate. hirsute on both sides, 3-palminervecl. Flowers oppositifolious (or sometimes axillary?), solitary or sometimes geminate, the pedicel longer than the petiole, ca. 4-10 mm. long, densely long-hirsute; sepals 5, linear, long-acuminate, 7.5-10 mm. long and 1-1.2 mm. wide, long-hirsute without, glabrous within; petals 5, spatulate, rounded, 7.5-9 mm. long and 2.5-3.5 mm. wide, yellow, glabrous; stamens numerous, the filaments free to more or less long-connate, ca. 7 mm. long, the anthers more or less reniform, ca. 0.5 mm. long; ovary narrowly oblong, compressed, ca. 2-2.5 mm. long and 0.5 mm. in diam., densely long-sericeous, 2-celled; style filiform, ca. 4 mm. long, glabrous; stigma peltate, subbilobulate, the lobes densely papillate. Capsule erect, linear, com- pressed contrary to the partition, caudate-acuminate at the apex, ca. 3 cm. long and 0.25 cm. in diam., 2-celled, the valves chartaceous and more or less densely long-hirsute; seeds numerous, polygonal, ca. 1 mm. long, the testa black.
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Habit
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Herb
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Distribution
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A weedy species found throughout tropical America.
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Specimen
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CANAL ZONE: Sosa Hill, Balboa, Standley 26445. HERRERA: Oc6I, Ebinger 1087. PANAMA: hills between Capira and Potrero, 80-130 in., Dodge & Hunter 8635; sabanas north of Panama City, Bro. Paul 532; Tocumen, Dwyer 2102.
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