Shrub or tree to 6 m tall; bark gray, not flaking; sap orange or red; branches densely chocolate-tomentose, grayish in age, with appressed-stellate hairs and scattered stellate or dendroid pairs, glabrescent or not. Leaves petiolate; petiole 12-25 mm long, slender, densely appressed chocolate-tomentose, not glabrescent; lamina 6.015.5 cm long, 2.5-6.7 cm wide, ovate to ovate-elliptic or lanceolate, the apex gradually long-acuminate, the base rounded to cuneate, not asymmetric, subcoriaceous, dull or sublucent above, green (if glabrous) or rufous to bronze beneath, the main lateral veins 9-12, darkish brown, uniting in submarginal loops, usually without intermediate lateral veins, and with densely reticulate venation Vismia jefensis N. Robson, sp. nov. V. rtifae Cuatrecasas affinis sed habitu huiniliori saepe fruticoso, foliis lanceolatis vel ellipticis haud oblongis plerumque sine venis lateralibus intermediis instructis, floribus maioribus petalis albis vel eburneis haud roseis, differt. scarcely prominent on both sides, the glandular dots present, usually completely obscured by the indumentum, the stellate hairs dense, rufous to ferrugineous or bronze, appressed, obscuring the epidermis. Inflorescences terminal and axillary, many flowered, broadly pyramidal to subcylindric, 4-5-noded, the basal 1-2 nodes with deciduous bract pairs and the lower nodes with reduced leaves subtending axillary accessory branches; rachis and pedicels chocolate-appressed-tomentose, not glabrescent; buds ellipsoid-globose. Flowers homostylous; sepals 5-7 mm long, free, the outermost 3.0-3.5 mm wide, elliptic to narrowly oblong, obtuse to acute, the exposed surfaces densely chocolate appressed-tomentose with stellate hairs, the inner margins ciliate, with numerous glandular streaks and lines, spreading in fruit; petals cream to pale yellow, 7.5-9.0 mm long, 3-4 mm wide, 1.3 times as long as the sepals, obovate to oblanceolate, rounded, erect, with numerous thick black glandular lines or streaks and distally a few dots, internally whitish-villous; stamen fascicles free, deciduous, with ca. 30 stamens, whitish-villous, almost as long as the' sepals; staminodial fascicles deciduous, ca. 2 mm long, oblong, distally pilose; ovary ca. 2 mm long, ovoid subglobose, eglandular, glabrous, the styles ca. 2 mm short of the sepal apices, the stigmas narrowly capitate. Fruits dark purple, globose, 12 mm long, 12 mm wide, glabrous; seeds not seen.
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