Marina gracillima (S. Watson) Barneby

Parosela gracillima (S. Wats.) Rose, Contr. U. S. Nat. Herb
8:305. 1905.
Dalea gracillima S. Wats. Proc. Am. Acad. 22: 404. 18S7.
A perennial, with a thick woody root, branched at the base; stems procumbent, glabrous throughout, reddish, minutely glandular-dotted, slender, 3-5 dm. long; leaves delicate, spreading, 1-2 cm. long; stipules minute, subulate; petioles 1-2 mm. long; rachis very slender, glabrous; stipels minute, subulate; leaflets 13-21, distinctly petioluled, oblanceolate, 1-4 mm. long, glabrous, minutely glandular-dotted beneath and conspicuously so along the margins; peduncles filiform, 1-4 cm. long; racemes 2-6-flowered, very short and head-like; calyx-tube turbinate, strongly 10-ribbed, 2 mm. long; upper 4 calyx-lobes ovate, acute, the lowest one lanceolate, slightly longer; blade of the banner cordate, yellowish, with brown spots, 2 mm. long; wings and keel-petals purple, with yellowish bases, inserted far below the middle of the staminal tube, the blades about 5 mm. long, the claws 2 mm. long; pod broadly and obliquely obovate, glabrous, with a few large glands.
Type locality: Guadalajara, Jalisco. Distribution: Jalisco.

Marina gracillima là một loài thực vật có hoa trong họ Đậu. Loài này được (S.Watson) Barneby miêu tả khoa học đầu tiên.