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Project Name Data (Last Modified On 5/8/2013)

Flora Data (Last Modified On 5/8/2013)
Species Ziziphus strychnifolia Tr. & Planch.
PlaceOfPublication Ann. Sci. Nat. Bot., Ser. 5. 16: 380. 1872.
Description Small tree, to 7 mn high, sparsely armed with stipular spines on the older branches, sparsely pubescent on the younger branches, the bark lenticellate. Leaves alternate, 3-nerved to the apex, elliptic, acute-acuminate, very finely crenate, each tooth with a small gland at the tip, obtuse basally, to 16 cm long and 6 cm wide, glabrous above, a tuft of trichomes between the bases of the 3 large veins beneath; petioles 5-9 mm long, the stipules rarely developing, if so, the spines paired, equal, 2-3 mm long. Inflorescences cymes, axillary, 8-12-flowered, the peduncle 0.5-1 cm long. Flowers with the pedicels 2-3 mm long; floral tube obconic; sepals 5, deltoid, ca. 1 mm long, keeled on the inner surface; petals 5, conspicuously hooded, the hood ca. 0.5-0.7 mm long, the claw ca. 0.4-0.5 mm long; stamens 5, the filaments ca. 0.5 mm long, the anthers ca. 0.4 mm long.
Habit tree
Distribution Panama and Colombia (?).
Specimen DARIEN: Marraganti and vicinity, Williams 1012 (NY).
Note Because of poor material, one collection of Ziziphus remains unnamed: Los Santos: 17.8 mi. S of Macaracas, Lewis et al. 1601 (MO). Shrub or woody vine; leaves mostly ovate, acute, shallowly cordate to more or less obtuse basally, to 6 cm long and 4 cm wide, glabrous above and sparsely pubescent on the veins beneath, 3-nerved; petioles 0.5-1 cm long, stipules spinulose, only one developing, to 8 mm long, retrorse. Inflorescences axillary, flowers absent.
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