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(Last Modified On 9/19/2013)
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(Last Modified On 9/19/2013)
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Species
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Oxalis microcarpa Benth.
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PlaceOfPublication
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P1. Hartweg. 115. 1839.
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Note
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TYPE: Ecuador, prope Zam- boronton, Hartweg III ... (K).
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Synonym
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0xalis Guayaquil Turcz., Bull. Soc. Imp. Moscou 31: 427. 1858. TYPE: Ecuador, banks of Guayaquil River, Jameson 557 (K, Holotype; BM, G, W, isotypes).
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Description
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Herb or subshrub to 1.20 m; stem erect, green or brown, the pubescence fine, curved, generally retrorse, long, hirsute, whitish or yellowish; internodes 2.5-5.5 mm, roots fibrous, branched; rhizome thin, to 4 mm diam. Leaves alternate to subopposite; leaflets ovate, elliptic or subrhombic unequal, 10-38 mm long, 16- 20 mm wide, obtuse or subacute basally cuneate or slightly cordate, the pubes- cence subappressed, even, scattered, above denser, glabrescent beneath, un- evenly ciliate; petiole filiform, ascendent to 4 cm long, pubescent, canaliculate, enlarged to the base, with hairs at its insertion. The inflorescences of bifid cymes, 10-12(-40)-flowered, peduncles filiform, pubescent as on the petioles up to 6 cm long, branches longer in the fruit, to 6 cm; bracts linear, acuminate, hirsute, 1- 1.5 mm; pedicels articulate near the base 2-3 mm long. Flowers with the sepals green, ovate or elliptic, acuminate, 3 mm long, 0.75-1 mm wide, acute or rarely subacute, the margin hyaline, often apically ciliate, glabrous; petals yellow, ob- ovate-subspathulate 6-7 mm long; longer stamens ca. 2.5 cm long, ligulate under the middle, glabrous or pubescent; the shorter stamens 1.5-2 mm long, glabrous; pistil about equalling the longer stamens; styles pilose, the stigma enlarged, 2-lobulate, capitate, the carpels 1-2-ovuled, glabrous. Capsule subglobose ca. 3 mm long, glabrous, about equalling calyx; the carpels membranous, thin, gla- brous inside, 1-seeded; seeds brownish ca. 1.5 mm long, 8-ribbed in zigzag, deeply transversally striate with small tubercules on the intersections.
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Habit
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Herb or subshrub
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Distribution
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occurs along the Pacific coast and western slopes of the cordillera from Ecuador to Mexico.
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Specimen
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CANAL ZONE: Quebrada La Palma and Cafion of Rio Chagres, 70-80 m, Dodge & Allen 17337 (G). Rio Indio, 70-100 m, Dodge & Allen 17381 (BR, G, K, MO, P). Chagres, 1 mi above Madden Lake, Duke 4475 (MO, P). Madden Dam, Ebinger 876 (US). Chagres, Fendler 25 (K, US), 26 (GH, MO). Fort Sherman between Chagres Batteries and Fort San Lorenzo, Maxon & Valentine 6991 (GH, NY, US). Punta de Garachin6, Seemann 1063 (K). Las Cascadas Plantation near Summit, Standley 29618 (US). Rio Boqueron, Steyermark & Allen 17230 (BR, G, MO, P, S, US). Quebrada La Palma and Canion Hill, Woodson et al. 720 (F, GH, MO). DARIEN: Rio Chico, near Yaviza at junction with Rio Chucunaque, Burch et al. 1192 (MO). Mannen6, Kirkbride & Bristan 1572, 1612 (both MO). Rio Tuquesa, Camp Charco Peje of Tuquesa Mining Co., 250 m, Mori 7042 (MO). PANAMA: Rio Caffita, near Jenine, Duke 3838 (MO). Junction Rio Pacora and Rio Corso, 450 m, Duke 11955 (P). Torti Arriba, Folsom 5163 (MO). La Chorrera, Lewis et al. 5198 (MO). Rio Tapia, Standley 28075 (US). VERAGUAS: Piria, 120 m, Duke 14359 (MO).
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