Eysenhardtia platycarpa Pennell & Saff.

Eysenhardtia cobriformis Pennell, sp. nov
A much branched small tree, 3-8 m. high; stems grayish-brown, the young growth canescent with whitish incurved to appressed hairs; leaves 5-9 cm. long, spreading; stipules 2-3 ram. long, grayish, subulate; stipels subulate, 0.5-1 mm. long, shorter than the petiolules, more or less persistent; leaflets 25-37, oblong, 7-16 mm. long, dull-green above, paler beneath, densely and finely pubescent above and beneath, punctate beneath with minute brown dots, obscurely reticulate above, firm; racemes 3-9 cm. long; bracts 1-2 mm. long, lanceolate, brown, pubescent, deciduous before anthesis; calyxtube 2-2.7 mm. long, glandular-dotted, finely canescent, obscurely ridged, split slightly more deeply on the posterior side; lobes less than 0.4 mm. long, obtuse, pubescent, ciliate; petals 5-6 mm. long, firm, from less than twice to twice as long as the calyx, the standard broad, slightly notched; style 3-4 mm. long, slightly pubescent, slightly upcurved at the apex, the gland at the curve large, conspicuous (the apex of the style resembling a cobra's head, whence the specific name); pods about 14 mm. long and 3.5 mm. wide, thin, greenish-brown, glabrous, punctate distally with small glands, straight, at maturity reflexed-spreading, on pedicels less than 1 mm. long; seed 4.5 mm. long, obovoid, flat, smooth, olive-brown, with a narrow basal lobe, filling one third to two fifths the length of the pod.
Type collected in flower and fruit at Monte Alban, near Oaxaca city, Oaxaca, aftitude between 1650 and 1800 meters, October. 1894, C. L. Smith 337 (herb. N. Y. Bot. Gard.). Distribution: Cation-sides, Oaxaca.

Eysenhardtia platycarpa Pennell & Safford, sp. nov A much branched shrub or small tree, 3-5 m. high ; stems grayish-brown, the young growth cinereous-puberulent with appressed hairs; leaves 10-14 cm. long, spreading; stipules 2-3 mm. long, grayish, subulate; stipels subulate, 0.5-1 mm. long, shorter than the petiolules, more or less persistent; leaflets 41-49, oblong, 12-15 mm. long, dull-green above, much paler beneath, minutely puberulent above and beneath, punctate beneath with reddish to brown, minute dots, obscurely reticulate above, firm; racemes -4— 12 cm. long; bracts 1-2 mm. long, lanceolate, brown, pubescent, deciduous before anthesis; calyx-tube 2-2.5 mm. long, glandular-dotted, canescent-puberulent, obscurely ridged below, split slightly more deeply on the posterior side; lobes minute, less than 0.25 mm. long, obtuse (or acutish during anthesis), slightly pubescent, ciliate; petals 5 mm. long, firm, from less than twice to twice as long as the calyx, the standard broader, slightly emarginate-notched; style 3 mm. long, slightly pubescent, slightly upcurved at the apex, the gland at the curve large, conspicuous; pods (not mature) 12-13 mm. long, 3.5-4 mm. wide, thin, greenish-brown, glabrous, punctate distally with relatively large glands, straight, becoming ascending-spreading, on pedicels about 1 mm. long; seed with a small basal lobe, filling one third to two fifths the length of the pod.
Type collected in flower and immature fruit at Barranca of Guadalajara, Jalisco, altitude 1500 meters, October 25, 1903, C. G. Pringle 8762 (herb. N. Y. Bot. Gard.). Distribution: Jalisco to Michoacan (or Guerrero).

Eysenhardtia platycarpa là một loài thực vật có hoa trong họ Đậu. Loài này được Pennell & Saff. miêu tả khoa học đầu tiên.