Arachnothryx laniflora (Benth.) Planch.

Rondeletia laniflora Benth. PI. Hartw. 85. 1841
Arachnothryx laniflora Planch. Fl. Serres 5: 442. 1849.
Shrub, 2-3 meters high, the branches stout, terete, grayish, closely white-tomentose when young; stipules narrowly triangular or subulate, 3-8 mm. long, thick, erect, persistent, whitetomentose; leaves opposite, crowded at the ends of the branches, the petioles stout, 4-10 mm. long, white-tomentose, the blades obovate to narrowly lance-elliptic, 5.5-13 cm. long, 1-4 cm. wide, cuneate to attenuate at the base, long-attenuate or abruptly acuminate at the apex, subcoriaceous, dark-green on the upper surface and glabrous, or when young thinly floccosetomentulose, white beneath with a very dense close tomentum, the costa prominent, the lateral veins slender, prominent beneath, 7-16 on each side, subarcuate, ascending at an acute angle, the secondary veins obsolete; inflorescence terminal, the flowers sessile or nearly so in dense short-pedunculate cymes, these arranged in a dense narrow panicle 4-7 cm. long; bractlets subulate, tomentose; hypanthium densely white-tomentose; calyx-lobes 4, subequal, oblong, obtuse or acutish, spreading, about as long as the hypanthium; corollatube slender, 12-15 mm. long, densely and closely white-tomentose outside, glabrous in the throat, the 4 lobes suborbicular, undulate, 2-3 mm. long; capsule subglobose, 4-5 mm. long and nearly as broad, costate, brown, glabrate; seeds minute, irregular, brown, scrobiculate.
Type locality : Sierra de las Nubes, Guatemala. Distribution: Mountains of Chiapas and Guatemala.