Ptelea aptera Parry

Taravalia aptera (Parry) Greene, Leaflets 1 : 222. 1906
Ptelea aptera Parry, Proc. Davenp. Acad. 4: 39. 1884. Ptelea nucifera Greene, Contr. U. S. Nat. Herb. 10 : 75. 1906. Ptelea obscura Greene, Contr. U. S. Nat. Herb. 10 : 76. 1906. Taravalia obscura Greene, Leaflets 1 : 223. 1906. Taravalia nucifera Greene, Leaflets 1 : 223. 1906.
A low, slender or much branched shrub, sometimes attaining a height of 5 m. with dark-brown tuberculate twigs, hispidulous at least when young with appressed hairs ; leaflets variable in size and shape ; lateral leaflets narrowly to broadly elliptic or somewhat obovate, 0.6-3 cm. long, the terminal one narrowly obovate to obovate or rhombic-ovate, 1.5-3.8 cm. long, acute, obtuse, or emarginate at the apex, cuueate to obliquely rounded at the base, inequilateral or equilateral, hispidulous on both surfaces or nearly glabrous, the margin crenulate and more or less revolute ; staminate flowers : sepals ovate, hispidulous ; petals oblong to oblong-lanceolate, elliptic or broadly elliptic, 5-6 mm. long ; fruit elliptic to round-ovate or oval, 0,8-2 cm. long, subcordate or truncate at the base, sometimes emarginate at the apex.
Type locality : Dry hill-slopes near sea at Punta Banda, southern end of Todos Santos Bay, Lower California.
Distribution : Lower California.