Ribes chihuahuense Britton

Ribes chihuahuense Britton, Torreya 7 : 102. 1907
Branches smooth, gray. Leaves ovate to suborbicular in outline, the blades 2-2.5 cm. long, dull dark -green above, pale-green beneath, broadly cuneate to subtruncate at the base, 3-lobed, glabrous on both sides, papillose above when young, sparingly ciliate on the margin, the lobes few-toothed, acutish or obtuse ; petioles as long as the blades or shorter, pubescent when young ; racemes 3-5-flowered, a little longer than the leaves, the axis densely pubescent ; flowers sessile or very nearly so ; bracts ovate-elliptic, obtuse, ciliate, 5-7 mm. long ; hypanthium nearly cylindric, 1 cm. long ; sepals oblong, obtuse, 6-7 mm. long ; petals ovateoblong, acute, a little more than half as long as the sepals.
Type locality : Chihuahua, Mexico. Distribution : Known only from the type locality.