Piptocarpha tetrantha Urb.

Piptocarpha tetrantha Urban, Symb. Ant. 1: 457. 1899
Stems shrubby or vine-like, 6 m. tall, closely and finely cinereous-pubescent; leaf-blades coriaceous, broadly elliptic to elliptic-oblong, 3.5-13 cm. long, 2-7 cm. wide, subacute, obtuse, or rounded, entire, rounded at base, dark-green, glabrous, and shining above, finely and closely cinereous-lepidote beneath, prominently reticulately veined, on petioles 10-15 mm. long; heads 2-4-flowered, sessile, aggregated in clusters of 2-4 in dense panicles terminating the stem and in the upper axils; involucre ovoid, 6 mm. long; scales closely imbricate in few series, appressed, the outer short, ovate, tomentose, the inner oblong, glabrous below, tomentose at the tip; achenes 3-4 mm. long, 10-ribbed, glabrous or glandular; pappus tawnywhite, the inner bristles 6 mm. long, the outer 1-2 mm. long.
Type locality: Mt. Jimenes, Sierra de Luquillo, Porto Rico. Distribution: Porto Rico.

Piptocarpha tetrantha là một loài thực vật có hoa trong họ Cúc. Loài này được Urb. miêu tả khoa học đầu tiên năm 1899.