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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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Galium mexicanum H.B.K.
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PlaceOfPublication
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Nov.-Gen. Sp. P1. 3: 337. 1818.
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Note
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NEOTYPE (Demps- ter, 1978): Mexico, Solbrig & Ornduff 4540 (UC). Original Humboldt & Bon- pland type apparently lost.
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Synonym
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Galium. mexicanum var. glabratum Greenm., Contr. Gray Herb., 14: 458. 1898. TYPE: M6xico, Nelson 583 (US). Galium mexicanum var. platyphyllum Greenm., Contr. Gray Herb. 14: 458. 1898. TYPE: M6xico. Nelson 3165 (US).
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Description
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Vines, the stems weak, stramineous, angular, branching profusely, the hairs stiff, minute, reflexed, uncinate, occasionally weak and spreading, the nodes well spaced. Leaves sessile or subsessile, usually 6-8(-10) at a node, occasionally 4, linear oblong or narrowly obovate oblong, 0.4-2.0 cm long, 1.3-2.0 mm wide, rounded or acute at the apex, tapering narrowly at the base, the costa prominulous above and beneath, the hairs well spaced, uncinate, rigid, the margin often re- volute and with stiff, uncinate hairs, the blade glandular shiny, pubescent be- neath, the hairs with bulbous bases, often deciduous, the blade then granulose. Inflorescences cymose paniculate, to 2 cm long (? longer). Flowers minute, 0.6- 1.5 mm long; hypanthium subrotund, ca. 0.35 in diam., pubescent; calycine cup and lobes absent; corolla white, greenish white, occasionally purple or red, the tube scarcely measurable or to 0.2 mm long, the lobes 4, (2) ovate oblong, 0.5- 0.7 mm long, the tip acuminate, often deflexed adaxially, the acumen to 1/3 the length of the body of the lobe, petaloid, dorsally pubescent; stamens 4, the anthers oblong, ca. 0.2 mm long, the filaments 0.2-0.5 mm long, attached at the junction of the corolla lobes; style short, the stigmas terminal, capitate. Fruits compressed rotund, less than 1 mm long, wider than long at maturity, the hairs dense, thick, falcate, ca. 0.1 mm long.
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Distribution
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ranges from Mexico to Panama.
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Specimen
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CHIRIQUi: Volcdn Bari, E slope, 1 mi from summit, ca. 3000 m, Croat 34905 (MO). El Bari, above Boquete, 1200-1800 m, D'Arcy 9919 (MO). Near Boquete, D'Arcy & D'Arcy 6463 (MO). E slope of Volcdn de Chiriqui, WNW of Boquete, Davidse & D'Arcy 10187 (MO). 11 km WNW of Boquete, Davidse & D'Arcy 10224 (MO). Bajo Mono, Boquete, Davidson 595 (MO). Volcdn de Chiriqui, 8000 ft, Davidson 935 (MO). W side of Volcdn Bari, oak forest, 2000-2500 m, Mori & Bolten 7355 (MO). Valley of upper Rio Chiriqui Viejo, Monte Lirio, 1300-1900 m, Seibert 276 (MO). 3 mi N el El Volcdn, ca. 5000 ft, Tyson 5721 (MO). Volcdn de Chiriqui, White 206 (MO, US). Finca Lerida to Pefia Blanca, 1750-2000 m, Woodson & Schery 334 (MO). Potrero Muleto to summit, Volcdn de Chiriqui, 3500-4000 m, Woodson & Schery 443 (MO).
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