Amphilophium paniculatum (L.) Kunth
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Authority
Acevedo-Rodríguez, Pedro. 2005. Vines and climbing plants of Puerto Rico and the Virgin Islands. Contr. U. S. Natl. Herb. 51: 1-483.
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Family
Bignoniaceae
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Scientific Name
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Description
Description - Liana that climbs by tendrils and attains 5-10 m in length. Stems up to 10 cm in diameter, the bark fibrous, vertically striate; cross section of the mature stem cylindrical, with a cross of 4(-5) dark arms, formed by the phloem tissue; branches acutely hexagonal, with ribbed margins, lepidote or with dendroid pubescence; pseudostipules foliaceous, 3- 1 mm long, early deciduous. Leaves 2-foliolate, with a terminal tendril, filiform, trifid, early deciduous; leaflets 2.5-16 x 2.1-10.7 cm, ovate to suborbicular, membranaceous, the apex acuminate or obtuse, the base truncate or asymmetrically cordiform, the margins entire; upper surface with minute, discoid, peltate scales, sometimes pubescent; lower surface with minute discoid, peltate scales, with the veins pubescent; petioles and petiolules hexagonal, with lepidote or dendroid pubescence; petiole 2.3-7.1 cm long; petiolules 0.6-4.3 cm long. Flowers fragrant, produced in terminal panicles, with deciduous bracts, the axes lepidote or with dendroid pubescence. Calyx double, the interior margin 2-or 3-labiate, short, the outer 5-labiate, undulate, 7-12 mm long, densely lepidote; corolla white with a purple tinge, tubular, bilabiate, 2.4-3.5 cm long, the tube split for 1/3 - 2/3 of its length, the 2 upper lobes united, ca. 1 mm long, the 3 lower lobes united, 1.3-1.8 cm long; stamens inserted; ovary ovate-cylindrical, 2-3 mm long, with an annular-pulvinate disc at the base. Capsules elliptical, compressed, 3.9-9.5 cm long, verrucose-lenticellate. lepidote: seeds numerous. 1-1.9 cm wide, with a membranaceous wing on each side.
Phenology - Collected in flower from August to October.
Conservation Status - Native, uncommon.