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(Last Modified On 1/11/2013)
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(Last Modified On 1/11/2013)
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Species
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JUSSIAEA LITHOSPERMIFOLIA Kunth
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PlaceOfPublication
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Mich., Flora 57:300. 1874.
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Synonym
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Ludwigia lithospermifolia Hara, Journ. Jap. Bot. 28:292. 1953. Jussiaea yacumensis Rusby, Mem. N. Y. Bot. Gard. 7:316. 1827.
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Description
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Herb or shrub up to 2.5 m. tall, relatively few-branched, the ultimate branch- lets very slender, finely puberulent to subglabrous, more or less angled; leaves not very crowded, sessile, narrowly lanceolate to oblong-lanceolate, rounded to long- acute at base, acute to obtuse at apex, subentire or minutely gland-serrulate, subcoriaceous, mostly glabrous, 2-7 cm. long, gradually reduced up the stems, with 9-10 prominent lateral veins on each side of the midrib and with prominent submarginal vein; flowers usually in axils of the uppermost much reduced leaves on very slender side branchlets, rather few; pedicels slender, finely puberulent to subglabrous, 5-12 mm. long at anthesis, somewhat thicker and longer in fruit, tending to be recurved and secund in the bud; bracteoles at base of ovary or at apex of pedicels, subulate, adnate to the stipules, 1 mm. long; sepals 4, lanceolate, acuminate, 8-10 mm. long at anthesis, 3-nerved with 2 fainter nerves between; petals light yellow to white, 13-20 mm. long, round-obovate, subsessile; disc pilose, scarcely elevated; stamens unequal, the filaments flattened, episepalous 4-5 mm. long, epipetalous 2.5-3 mm. long; anthers 4-5 mm. long; style 3-4 mm. long; stigma capitate, ca. 2 mm. thick; ovary obconic, 5-7 mm. long; capsule narrowly obconic, 4-angled, 10-12 mm. long, 3.5-5 mm. wide; seeds yellowish- brown, oblong, 0.7 mm. long, half as wide, straight, shining, very faintly cellular- pitted, with raphe not very prominent.
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Habit
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Herb shrub
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Distribution
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Wet places. Costa Rica to Bolivia and Brazil.
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Specimen
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CHIRIQUI: Boquete, Davidson 694. VERAGUAS: hills west of Sona, Allen 1055. COCLE: mountains beyond La Pintada, Hunter and Allen 527. CANAL ZONE: Chiva- Chiva Trail, Red Tank to Pueblo Nuevo, Piter 5747.
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