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(Last Modified On 5/31/2013)
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(Last Modified On 5/31/2013)
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Species
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Iseia luxurians (Moric.) O'Donell
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PlaceOfPublication
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Bol. Soc. Argent. Bot. 5:77. 1953.
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Synonym
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Ipomoea luxurians Moric., P1. Nouv. Amer. 58, t. 39. 1839. TYPE: Brazil, Bahia, Blanchet 2914 (not seen). Ipomoea sericea Spreng. ex Choisy in DC., Prodr. 9: 368. 1845, non Blume (1825). TYPE: Santa Marta, Colombia, Bertero (not seen). Ipomoea jamesonii Choisy in DC., Prodr. 9: 367. 1845. TYPE: Ecuador, Guayaquil, Arnott & Jameson (not seen). Ipomoea sericantha Griseb., Fl. Brit. W. Ind. 471. 1.861, non Miquel (1850). Nom. nov. I. sericea Choisy. Ipomoea grisebachiana Meisn. in Mart., Fl. Bras. 7: 264. 1869. Nom nov. for I. sericantha Griseb. Jacquemontia luxurians (Moric.) Hall. f., Bot. Jahrb. (Syst.) 16: 543. 1893.
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Description
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Lianas; stems much branched, the branches rooting, retrorse-pubescent or tomentose with reddish trichomes, glabrescent. Leaves elliptic, oblong to lan- ceolate, 1.5-12 cm long and 0.5-4 cm wide, basally cuneate to rounded, apically obtuse to acute, mucronate, usually with appressed sericeous indument at least on major veins, glabrescent. Flowers in 1-10-flowered cymes, the cymes usually pubescent, pedicels 3-10 mm long; sepals elliptic to obovate, 7-12 mm long and 5-7 mm wide, obtuse to acute, mucronate, mostly pubescent, ciliate, the inner sepals often with only a central line of pubescence; corolla white, 3-4 cm long, funnelform, the interplicae densely villose; stamens unequal, the filaments basally glandular pubescent; style one, the stigma biglobose, ovary ovoid, basally gla- brous, apically pubescent. Fruits indehiscent, subglobose, 9-14 mm in diameter, black, glabrous or pubescent above; seeds 4, dark, 4-6 mm long, glabrous to winged with marginal trichomes.
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Habit
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Lianas
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Note
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This species flowers in December.
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Distribution
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occurs in Honduras, Panama, Colombia, Venezuela, Trinidad and south to Argentina.
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Specimen
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CANAL ZONE: Near Gamboa, Rio Mandinga ca. 1 mi. up from the canal, Kennedy et al. 2385 (MO). Gamboa, Chagres River ca. 1/4 mi. up from hyacinth control building, Kennedy et al. s.n. (MO). DARIEN: Rio Chico, Burch et al. 1106 (GH, MO, US). HERRERA: Road from Chitre to Divisa, Burch et al. 1353 (GH, MO, US). PANAMA: Near Chepo, Hunter & Allen 98 (MO).
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