Stryphnodendron porcatum D.A.Neill. & Occhioni

Scalon, Viviane Renata, Paula-Souza, Juliana De, Lima, Alexandre Gibau De & Souza, Vinicius Castro, 2022, A synopsis of the genus Stryphnodendron (Fabaceae, Caesalpinioideae, mimosoid clade), Phytotaxa 544 (3), pp. 227-279 : 259

27. Stryphnodendron porcatum D.A.Neill. & Occhioni f. (1989: 357).

— Type: EQUADOR. Napo, 1 km N of Coca , 00°25’S, 77°00’W, 15 September 1986, Neill & Palacios 7359 (holotype QCNE 233 !, isotypes G!, INPA!, K!, MO!, NY!, RFA!, US!)

Trees 15–25 m tall, rhytidome light-gray, smooth. Leaves with 11–14 pairs of pinnae; 11–19 pairs of leaflets; petiolar nectary 1, verruciform; leaflets 4–11 × 2–6 mm, usually oblong, distal leaflets usually obovate, proximal usually elliptic, chartaceous, discolor, upper surface glabrous, sometimes with indumentum only at the margin, lower surface pubescent to tomentose, bilateral tuft of trichomes on the lower surface present, usually prolonged up to the middle part of the blade. Inflorescences of simple thyrsi, yellowish; cymulae of solitary to geminate spikes; spikes 8–9 cm long. Flowers monoclinous, corolla tube glabrous, lobes densely yellow-pubescent, yellowish. Fruit a nucoid legume, straight to slightly curved, turgid, seeds non-prominent, valves woody, conspicuously nerved.

Distribution and habitat: — Stryphnodendron porcatum is endemic to tropical rainforests of Ecuador, usually in alluvial soil and sometimes in areas subject to flooding.

Conservation: —Least Concern (LC) [AOO= 104.000 km 2, EOO= 71,783.492 km 2].

Phenology: —The species was collected with flower buds in September, January and February, with flowers from August to November and in January and with fruits from April to November.

Selected specimens examined: — EQUADOR. Coca , 2 km ao N de Coca, 04 October 1987, fl., D. Neill et al. 7837 (K, MO, NY, US) . Reserva Florística El Chuncho , Estación Experimental INIAP – payamino, 5 km al NW de Coca, 15 October 1987, fr., D. Neill et al. 7953 ( MO, NY) .