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(Last Modified On 9/4/2013)
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(Last Modified On 9/4/2013)
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Species
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Diodia denudata Standley
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PlaceOfPublication
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J. Wash. Acad. Sci. 15: 105. 1925.
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Note
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TYPE: Panama, Standley 28123 (US, holotype).
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Description
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Vines, subshrubs or shrubs, the stems spreading, the nodes usually well spaced, the short axillary branchlets often simulating crowded leaves, glabrous, delicately alate on the angles. Leaves lanceolate or obovate-lanceolate, 4.0-7.5 cm long, 2-3 cm wide, acute at the apex, acute to attenuate acute at the base, often inequilateral, the costa immersed or plane above, prominulous to subplane beneath, the lateral veins ca. 7, strongly arcuate, ascending with 1 intermediate vein occasionally found between 2 laterals, papyraceous, scarcely discolorous, smooth when dry, minutely puberulent or scabridulous on costa and veins be- neath, glabrate above; petioles slender, to 1.5 cm long or sometimes the blades lightly decurrent; stipules triangular or compressed rotund, the sheath shorter than the setas, the latter unequal puberulent. Inflorescences axillary, capitate, to 0.4 cm wide, the heads arranged along the length of a whiplike branch, the latter to 45 cm long, the internodes elongate, the subtending leaves ?bracts lanceolate, 0.5-2.0 cm long. Flowers minute; hypanthium ca. 0.3 mm long, the calycine cup minute, glabrous, the lobes 4, sometimes 1 or 2 of these about 1/2 the length of the longer lobes, ovate subulate, to 0.4 mm long, scabridulous ciliate; corolla
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Habit
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Vines, subshrubs or shrubs
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Description
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white, the tube ca. 0.5 mm long, the lobes 4, about equaling the tube; stamens 4, attached at the mouth; style ca. 0.5 mm long, the stigmas to 0.3 mm long. Fruits sessile, subrotund, to 1.3 mm long, often slightly wider than long, with a distinct median furrow, scabridulous, delicately red farinose or delicately retic- ulate, otherwise smooth, each valve indehiscent, the calyx persistent; seed ob- long, to 0.8 cm long.
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Distribution
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known only from Panama and Colombia.
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Specimen
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BARRO COLORADO ISLAND: Aviles 94 (MO); Croat 4373, 8738 (both MO). CANAL ZONE: Rio Mendosa, ?2 km downstream from Pipeline Road, Nee 9577 (MO). Fort Lorenzo, Piper 5895 (US). Rio Tapia, Standley 28123 (MO, US). COL6N: Santa Rita Ridge, Croat 13191 (MO); Lewis et al. 5238 (MO). DARIEN: Santa F6, Duke 9488 (MO). PANAMA: Rio Tocumen, Standley 29364 (US). COLOMBIA: CHOCO: Punta Las Barcas and Turbo, Duke 9695 (MO). Madurex Logging Camp, Duke 9977 (MO).
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