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(Last Modified On 5/8/2013)
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(Last Modified On 5/8/2013)
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Species
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Parathesis seibertii Lundell
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PlaceOfPublication
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Ann. Missouri Bot. Gard. 26: 293. 1939.-FIG. 7.
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Synonym
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Parathesis woodsonii Lundell, Ann. Missouri Bot. Card. 28: 458. 1941.
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Description
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Trees to 15 m high, the branchlets slender to stout, apically ferruginous- lepidote with minute closely appressed stellate trichomes, these scarcely dis- cernible. Leaves with slender petioles 1-1.5 (-2.5) cm long; leaf blades lanceolate, oblong-elliptic, or oblanceolate, 5-20 cm long and 1.5-5 cm wide, acuminate apically and basally, chartaceous or membranaceous, obscurely crenulate to entire, at first minutely and sparsely lepidote beneath with ap- pressed stellate trichomes, conspicuously black-punctate, striolate, the costa elevated beneath, the primary lateral veins slender. Inflorescences axillary, paniculate, to 15 cm long, long-pedunculate, the peduncles and branches slender, 1- or 2-branched, sparsely and minutely puberulent; pedicels slender, (4-) 6.5-11 mm long, minutely puberulent. Flowers subcorymbose, minutely papillose-puberulent, to 6 mm long at anthesis; sepals triangular, to 1.2 mm long, red-black punctate; petals narrowly lanceolate, to 6 mm long, papillose- tomentose over almost the entire inner surface, densely red-black punctate in lines; stamens 3-3.5 mm long, the filaments slender, glabrous, 1.5-2 mm long, not punctate, the anthers erect, dorsifixed 1/3 above the base, lanceolate, 1.75-2.4 mm long, attenuate apically and apiculate, epunctate or with 1 to several minute black glands dorsally; ovary puberulent or tomentulose to the middle and at the base of the style or only apically, the ovules 7-9, uniseriate, enclosed, the placenta depressed-globose, apiculate, the style slender, ca. 5 mm long, punctate in lines. Fruit purple, depressed-globose, drying ca. 7 mm in diameter.
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Habit
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Trees
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Distribution
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Native to Panama.
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Native
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Panama
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Specimen
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CHIRIQUI: Mountains above Bambito, 1 mi. S of Cerro Punta, 61000 ft, Tyson 5785 (MO). Boquete, Finca Collins, ca. 5000 ft, Dwyer & Hayden 7658 (LL); 6000 ft, Kirkbride 113 (MO). Cerro Horqueta, cloud forest, 5000-7000 ft, Kirkbride 134 (MO). Cerro Punta, 2000 m, Allen 3485 (F, G, MO, NY, P, S, UC, US). Finca Lerida to Pefia Blanca, 1750-2000 m, Woodson & Schery 331 (MICH, holotype of P. woodsonii; GH, K, isotypes). Trail from Paso Ancho to Monte Lirio, 1500-2000 m, Allen 1598 (GH, LL, MO, US). Rio Chiriqui Viejo valley, between El Volcan and Cerro Punta, Gene White 19 (F, MO). Valley of the upper Rio Chiriqui Viejo, 1300-1900 m, White & White 27 (MICH, holotype; A, LL, MO, NY, isotypes).
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Note
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Kirkbride 113 and Dwyer & Hayden 7658 have atypically small flowers about 3 mm long, but the anthers, although scarcely 1 mm long, are typical of the species.
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