Pinarophyilon flavum

Pinarophyilon flavum Brand. Univ. Calif. Publ. Bot. 6: 71
1914.
Herbaceous, the stems simple, stout, 5-6 cm. long, densely leafy; leaf-blades oblanceolate, 6-14 cm. long, 1.5-3 cm. wide, long-attenuate at the base to a short marginate petiole, acuminate or long-attenuate at the apex, bright-green above, sparsely villous with long multicellular hairs, the venation impressed, slightly paler beneath, puberulent or villosulous, especially along the veins, and bearing numerous long multicellular hairs, the venation prominent, the lateral veins numerous (about 20 on each side), arcuate-ascending, the secondary veins very prominent; peduncles numerous, filiform, 3.5-5 cm. long, sparsely long-villous, 3-10-flowered, simple, the flowers secund, the pedicels 2 mm. long or shorter; hypanthium 1-1.5 mm. long, bearing a few long weak hairs; calyx-lobes 4, lance-triangular, acute, about as long as the hypanthium; corolla glabrous, about 4 mm. long, greenish-yellow, the 4 lobes lance-oblong, acute or acuminate; capsule about 3 mm. long, broadly turbinate; seeds minute, dark-brown.
Type locality: Wet rocks of barrancas near Finca Mexiquito, Chiapas. Distribution: Known only from the type locality.