Esenbeckia flava T. S. Brandeg.

Esenbeckia flava Brand. Zoe 1 : 378. 1891 A shrub or small tree, sometimes attaining a height of 7 m. and a trunk-diameter of 15-20 cm., the young branches, panicles, and lower surface of the leaves tomentose ; petioles velvety, 1-2 cm. long; leaves simple, oblong-elliptic to oval or sometimes oblongobovate, entire or obsoletely crenulate, 5-10 cm. long, 2.8-5 cm. broad, usually retuse or emarginate at the apex, more or less inequilateral at the base; flowers 1.3-1.4 cm. in diameter, in terminal panicles which are usually longer than the leaves ; sepals ovate to broadly ovate, 2 mm. long; petals oblong-oval, oblong-ovate, or sometimes ovate, 4-6 mm. long, 2.5-5 mm. broad ; filaments accumbent in the shallow grooves of the disk, at length reflexed ; anthers apiculate ; ovary immersed in the disk, densely verrucose-echinate ; style cylindric or slightly clavate ; stigma capitate, obscurely lobed ; capsule depressed-globose, 3-4 cm. broad, 2 cm. thick, more or less strongly verrucose-echinate ; seeds broadly ovoidconic, 10-11 mm. broad, dark-brown.
Type locality : San Jose del Cabo, Lower California. Distribution : Cape region of Lower California.

Esenbeckia flava là một loài thực vật có hoa trong họ Cửu lý hương. Loài này được Brandegee mô tả khoa học đầu tiên năm 1890.