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(Last Modified On 5/29/2013)
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(Last Modified On 5/29/2013)
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Species
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Centaurium quitense (H.B.K.) Robinson
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PlaceOfPublication
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Proc. Amer. Acad. Arts 45: 397. 1910.
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Synonym
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Erythraea quitensis H.B.K., Nov. Gen. Sp. PI. 3: 178. 1819.
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Description
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Herb, 7-30 cm tall, erect, densely divaricate-branched; stems 4-angular, narrowly winged. Leaves cauline, lanceolate, narrowly ovate to elliptic, acute to obtuse at the apex, slightly attenuate at the base, 0.6-1.8 cm long and 1-7 mm broad, thin-chartaceous, with (1-) 3 ( -5) veins basally connate and inconspicuous. Inflorescences axillary and terminal, solitary on simple or reduced dichasia, sev- eral-flowered; the peduncles 4-angular, narrowly winged, 0.9-4.3 cm long; the pedicels 0.8-2.1 cm long. Flowers usually 4-merous, pink, 6-9 mm long; calyx 5-6 mm long, the lobes narrowly ovate, 4-5 mm long; corolla 6-9 mm long, in- fundibular, the lobes ovate, acute to obtuse at the apex, 2-4 mm long; stamens 3-3.5 mm long, inserted near the middle of the corolla tube and alternate with the lobes, slightly exserted, the filaments filiform, 2-2.5 mm long, the anthers ca. 1 mm long, bilobate at the base; pistil 4-5 mm long, the ovary ellipsoid, 2-3 mm long, the style ca. 2 mm long, the stigma distinctly bilamellate, the lobes capi- tate. Capsules fusiform, 6-8 mm long, + beaked (persistent style); seeds or- bicular, flattened, the testa conspicuously loose-reticulate.
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Habit
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Herb
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Distribution
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from Guatemala to Peru.
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Specimen
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CANAL ZONE: Between Fort Clayton and Corozal, along the old Las Cruces Trail, Standley 29192, 29225 (both US). CHIRIQUI: Near Boquete, 1100-1400 m, Lewis et al. 378 (MO); Davidson 655 (F). S of El Boquete, Rio Caldera, 1250 m, Killip 3626 (US). Valley of the upper Rio Chiriqui Viejo, White & White 104 (MO). LOS SANTOS: 5-9 mi. from Chitre on road to Las Tablas, roadside, Burch et al. 1223 (MO, NY).
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Note
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This species occurs in high altitudes, however, two collections (Standley 29192, 29225) have been made near sea level in the Canal Zone. The two low- land collections are considerably taller than those from Chiriqui.
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