Lindheimer hackberry

Celtis helleri Small

Trees , to 12 m; trunks to 15 dm diam; crowns widely spreading, much branched. Bark with corky warts. Branches without thorns, spreading to pendulous, smooth; young branches and twigs villous-pubescent. Leaves: petiole 3-4(-11) mm. Leaf blade ovate to ovate-lanceolate or oblong-lanceolate, 4-9 × 2-5 cm, leathery, base rounded to cordate, margins entire or with a few serrations, apex obtuse to acute or shortly acuminate; surfaces abaxially white-tomentose, adaxially dark green, scabrous. Inflorescences erect dense clusters, 2-9-flowered, at base of leaves. Drupes light brown, globose, 7-9 mm diam., smooth. Seeds ovoid, prominently 4-ribbed, reticulate.

Flowering late winter-spring (Mar-May). Ravines and brushlands; of conservation concern; 100-200 m; Tex.; n Mexico.

Celtis lindheimeri warrants further study. It grows near San Antonio, and it is known from the Edwards Plateau of Texas and from northern Mexico. The extent of its range within Texas is uncertain.