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(Last Modified On 4/2/2013)
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(Last Modified On 4/2/2013)
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Species
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Polygala longicaulis H.B.K.
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PlaceOfPublication
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Nov. Gen. Sp. P1. 5: 396, 1823.
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Description
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Slender erect annuals, simple or sparsely branched, 6-60 cm high; stems glabrous. Leaves alternate, linear or linear-lanceolate, sometimes witif a whorl of 3 reduced narrow-obovate leaves at base of stem, acute or cuspidate apically, acute or attenuate basally, 1-nerved, the margin slightly revolute, glabrous, punc- tate, 4-28 mm long, 0.5-3 mm wide, subsessile. Racemes depressed-subglobose or globose, densely flowered, 6-12 mm long, 6-18 mm wide, the axis to 3.5 cm long, the peduncle to 12 cm long; bracts lance-ovate, subulate, the margins glandular-ciliate, usually gland-dotted on back, 0.8-1.2 mm long. Flowers vary- ing from white to deep purple, the pedicels 1.5-3 mm long; largest sepal ovate or elliptic, cuspidate, 5-nerved, 1.7-2.2 mm long, the smaller 2 ovate, occasion- ally elliptic, cuspidate, gland-dotted basally, 1.6-1.9 mm long; wings elliptic, obong or ovate-oblong, cuspidate apically, usually cuneate-rounded basally, 3- nerved, bearing a few glands on back, 4.7-5.8 mm long, 1.5-2 mm wide; upper petals suboblong to nearly obovate, obtuse, 3.6-5.3 mm long; keel 3-4.3 mm long, gland-dotted apically and basally, the crest lobed, the lobes 0.6-1 mm long, usually 6, rarely 8, single or irregularly forked; staminal tube glabrous inside, the filaments very short; ovary oblong, 1-1.4 mm long, 0.7-0.9 mm wide, the style slender, straight, 1.8-2.2 mm long, developed distally into a navicular cavity, the apical end of which has a tuft of hairs, the inner end a globose, papillose stigma supported on a minute stalk. Capsules ovoid-oblong, bearing a double line of glands along the septum, 2.8-4 mm long, 1.4-2.2 mm wide; seeds (Fig. lh) conic, sericeous, comose basally, 1.8-2.5 mm long (including the coma); aril minute or absent.
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Distribution
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Mexico through Central America and the West Indies to Argentina; frequent in Panama.
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Specimen
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CANAL ZONE: nr BOQ, Ft Kobbe, Duke 3912 (MO); summit of Ancon Hill, dry hill- sides, Killip 3021 (GH, NY, US); open grassy slope, common, Standley 25217 (US). CHIRIQUI: W of Gualaca, level ground, common, alt 500 ft, Allen 5052 (MO); El Valle, ca 3.6 m from El Greco Hotel along rd to InterAmerican Hwy, Correa &- Dressler 1008 (MO); David airport, disturbed grassland, edge of marsh, alt 25 ft, Lewis et al. 768 (MO). COCLE: Nata, alt ca 50 m, Allen 825 (GH, MO, NY, US); Llano Bonito, N of Las Margaritas, alt 400-500 m, Seibert 522 (GH, MO, NY); betw Las Margaritas & El Valle, Woodson et al. 1266 (GH, MO, NY, US), 1274 (GH, MO). PANAMA: Vic of provincial boundary, along rd betw Las Uvas (Panama) and El Valle (Cocle), Bartlett &- Lasser 16665 (MO); Taboga I, alt 900 ft, Colleustte 475 (US); nr beach at Nueva Gorgona, Duke 4543 (MO); rd toward top of Cerro Campana, bald savanna-like areas, Duke 5951 (MO); nr Chepo, savannas, Duke 6038 (MO); Tocumen airport, Dwyer 2575 (MO); nr Rliomar, open pasture land, Ebinger 505 (MO); Cerro Campana, grass- land, Ebinger 930 (MO); San Jose I, East Harbor, rocky coastal bluffs, Erlanson 445 (GH, US), vic of South Beach, rocky coastal bluffs, Erlanson 527 (GH, US); San Jose I, East Harbor, on bald spots reaching greater height than surrounding grasses, Harlow 22 (GH, US); Tumba Muerto, Bro. Heriberto 170 (US); San Jose I, East Bay, rocky open place at head of sea-cliffs, Johnston 193 (GH, MO, US); Taboga I, dry fields, 200 m, Killip 3189 (MO, US); (Las) Sabanas, Bro. Paul 15 (US); Chepo, alt 60 m, Pittier s.n., Oct 1911 (US); Laguna de Portala, nr Chepo, alt 50 m, Pittier 4572 (US); Las Sabanas, open grassy slope, common, Standley 25912 (US); nr Punta Paitilla, savanna, common, Standley 26294 (US); E of Pacora, wet savanna, alt ca 25 m, Woodson et al. 754 (MO). VERAGUAS: 2 mi W of Santiago on PanAmerican Hwy, common along banks of hwy, Dwyer et al. 7549 (MO).
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