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(Last Modified On 5/24/2013)
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(Last Modified On 5/24/2013)
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Species
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Tropaeolum emarginatum Turcz.
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PlaceOfPublication
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Bull. Soc. Imp. Naturalistes Moscou 31(1): 425. 1858.
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Note
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TYPE: Panama, Warscewiicz 4-14 (B, holotype, destroyed, photo Field 12665; G, Isotype; K, fragments of type collection).
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Synonym
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Tropaeolum bimaculatum Klotzsch ex Buch., Bot. Jahrb. (Syst.) 15: 217. 1892. Tropaeolum moritzianum, sensu auct., non Klotsch. Tropaeolum guatemalense Suess., Fedde Repert. 51: 205. 1942.
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Description
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Tall, probably annual climber to 8 m long, glabrous or rarely (juvenile) sparsely pubescent around the base of the petioles; stipules small, usually per- sistent; petioles 6-9 cm. Leaves dark green, somewhat glaucescent below, sub- orbicular, 3-6 cm long, 4-7 cm broad, 5-lobed to sublobate, the lobes obtuse, emucronate, peltate, the principal nerves 3, the lateral nerves forked. Flowers on slender, often reddish peduncles, shorter than the petioles or of the same length; calyx lobes homomorphic, elliptic to almost suborbicular, 9-10 mm long, 7 mm broad, subacute, reddish or sometimes somewhat greenish yellow; spur 20-25 mm long, straight or slightly curved, the base conical to cylindrical, 12- 15 mm long, abruptly turning in a slender appendix, normally red but sometimes greenish near the apex; petals serrate-ciliate, yellow, the upper petals cuneate to spathulate, 8-9 mm long, 4 mm broad near the apex, often with a purple spot, the lower petals long unguiculate, 10-11 mm long, the lamina 5-6 mm long, 4-5 mm broad, not spotted. Fruiting carpels triangular, 5-6 mm long, ribbed.
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Habit
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climber
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Distribution
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This species ranges from southernmost Mexico (Chiapas) to Colombia.
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Note
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Apparently the name T. emarginatum was not at first taken seriously, and Buchenau and later Suessenguth, described the species anew. The nervation character separates this species from T. moritzianum. In the same alliance, Buchenau also described T. wvarscewviczii (Bot. Jahrb. (Syst.) 26. 582. 1899.) from "Costa Rica et Veragua" based on Warscewvicz 2-15 (B, destroyed, photo Field 12683; G, K, isotypes). The material is too poor to make a firm decision. According to Buchenau's drawing of the petals, the species is probably related to the continental South American T. fintelmannii XVagen ex Schlecht.
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Specimen
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BOCAS DEL TORO: Robalo trail, northern slopes of Cerro Horqueta, 6000-7000 ft, Allen 4930 (F, G, MO). CHIRIQUI: "Chiriqui & Carthaga Vulkan," Warscewicz 4-14 (G, K). Cerro Punta, 6025 ft, White 199 (GH, MO, US). Near Cerro Punta, White 31 (GH, MO). Vicinity of "New Switzerland," central valley of Rio Chiriquif Viejo, 1800-2000 mi, Allen 1390, (F, GH, MO, NY, US).
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