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Project Name Data (Last Modified On 5/15/2013)

Flora Data (Last Modified On 5/15/2013)
Species Cestrum rugulosum Francey
PlaceOfPublication Candollea 7: 78-9. 1936.
Note TYPE: Costa Rica, Pittier 872 (US).
Description Shrub to 3(-5), m tall; twigs glabrous. Leaves 12-20 cm long, ovate, elliptic or oblong, often oblique, apically mostly acute or acuminate, basally rounded or obtuse, the margins slightly revolute, above puberulent on the midvein and major lateral veins and with scattered, minute glandular hairs on the lamina, beneath with minute hairs on the major and minor veins, lateral veins 15-20 on each side, prominently elevated beneath, the surface often drying dark with a rugose surface; petioles puberulent, 2-3 mm long; minor leaves wanting. Inflorescences numerous, scattered along the stems, axillary and terminal racemes or small panicles on mostly unbranched, short or elongate, pubescent to glabrate axes to 4 cm long, leafy bracts scattered through the inflorescences; pedicels to 5 mm long, slender, drying black, the bracteoles linear, 1.5 mm long. Flowers fragrant, calyx 2-3 mm long, cyathiform or campanulate, puberulent, almost ecostate,
Habit Shrub
Description elongating slightly in fruit, the teeth short, deltoid, unequal, corolla cream- colored, often with some purplish or blackish markings, the tube 25-28 mm long, opening gradually to the apex, glabrous to manifestly pubescent outside, inside pilose at the base and sometimes puberulent along the length of the tube, the lobes 3 mm long, lanceolate; stamens equal, the filaments 3-5 mm free, barbellate and sometimes dentate at the point of insertion, glabrous to pilose below, the stigma included. Fruit bright, matte-white, globose, flattened apically, juicy, ca. 10 mm across; seeds 1-10, 4.5 mm long, brown or black.
Note While variable in technical characters, plants seen in the field look remarkably uniform. Superficially like small shrubs of C. racemosum, C. rugulosum can be distinguished by the pubescence on the leaf undersides, the filaments and often the outside of the corolla. On dried material, the dark, usually blotched appear- ance of the leaves is distinctive.
Distribution Cestrum rugulosum is plentiful above the town of Cerro Punta in Chiriqui Province at about 2,500 m. Outside of the Chiriqui mountains it ranges into cloud forests in Costa Rica.
Elevation about 2,500 m
Specimen cHIRIQUI: Cerro Punta ca. 7,000 ft, flowers white, Blum et al. 2419 (FSU, MO, SCZ). Finca Collins, near Boquete, Blum & Dwyer 2529A (DUKE). Disturbed cloud forest at Monte Rey above Boquete, Croat 15737* (MO). Plentiful above Cerro Punta, 7,600 ft, D'Arcy 5346 (MO). Above Cerro Punta, 7,600 ft, D'Arcy 5360 (MO). Above Cerro Punta, 7,600 ft, D'Arcy 5362 (MO). Above Cerro Punta, 6,300 ft, D'Arcy 5375, 5376 (MO). Chiquero, Boquete District, 5,500 ft, Davidson 558 (A, MO, US). Boquete, Cerro Horqueta, 5000-6000 ft, Dwyer & Hayden 7748* (MO). Chiriqui Viejo Valley, Cerro Punta, White 33 (GH, MO). Valley of the upper Rio Chiriqui Viejo, White 329 (MO, US).
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