Piper prietoi Yunck.

  • Authority

    Yuncker, Truman G. 1955. Plants collected in Ecuador by W. H. Camp. Piperaceae. Mem. New York Bot. Gard. 9 (2): 147-170.

  • Family

    Piperaceae

  • Scientific Name

    Piper prietoi Yunck.

  • Type

    SANTIAGO-ZAMORA ("Oriente"): eastern slopes of the cordillera, valley of the Rio Negro, near junction of Rios Pailas and Negro, on the trail to Mendez, 1800—2250 m, Aug 20-24, 1945, Francisco Prieto (Camp E-4909) (TYPE).

  • Description

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    Latin Diagnosis - Frutex; foliis lanceolato-ellipticis, apice acute acuminatis, basi inaequilateralibus, obtusis vel ad petiolum abrupte acutis, supra plus minusve scabridis, glabris, subtus ad venas adpresse pubescentibus, a parte infera pinnatim; spicis curvis; drupa obovoidea apice truncata vel depressa puberula; stigmatibus sessilibus.

    Species Description - Nodose shrub, 4 m tall; upper internodes slender, 4-8 cm long, granular, retrorsely hispid, glabrescent; leaves lance-elliptic, 3.5-6 cm wide x 11-14 cm long, the apex sharp-acuminate, the base inequilateral, obtuse or abruptly acutish at the petiole, one side rounded and about 2 mm longer, somewhat scabrid, glandular-dotted, glabrous above and dark green when growing, almost white beneath with the nerves appressed-pubescent, pinnately nerved from the lower half, the nerves 4 on each side with cross-connecting-anastomosing nervules, drying papery, subopaque; petiole 5 plus 2 mm long or up to 10 mm on the lower leaves, retrorsely hispid, vaginate near the base; spikes 3 mm thick x 8 cm long, curved, apiculate with a hispidulous tip up to 5 mm long; peduncle 2-3.5 cm long, slender, hispidulous, glabrescent; bracts triangular-subpeltate, short-fringed; fruit obovoid, the apex truncate or depressed, puberulent; stigmas slender, sessile.

  • Discussion

    This species appears to be near the P. hispidum complex. It differs in its 4-nerved leaves, curved, rather long-apiculate spikes, and long peduncles.