Salmonberry

Rubus franciscanus Rydberg, sp. nov
Rubus ursinus Torr. Pac. R. R. Rep. 4: 85. 1857. Not R. ursinus Cham. & Schlecht. 1827. Rubus spectabilis Menziesii S. Wats. Bot. Calif. 1: 172. 1876. Not R. Menziesii Hook. 1832. Parmena Menziesii Greene, Leaflets 1: 244, in part. 1906.
Stems perennial, shrubby, 2-4 m. high, finely pilose at first, in age glabrous, armed with short straight prickles, with depressed bases; leaves 3-foliolate; stipules linear-subulate; petioles finely villoustomentose, sparingly prickly or unarmed, 3-4 cm. long; leaflets darkgreen and sparingly pubescent above, densely and finely pilose beneath, at first almost tomentose, doubly crenate-serrate with broadly ovate, mucronate teeth, terminal leaflets ovate or rhombic-ovate, acute at the apex, cuneate or rarely truncate at the base, 3-6 cm. long; petiolules 0.5-2 cm. long; lateral leaflets subsessile, smaller, oblique and often obtuse or rounded at the apex ; flowers mostly solitary ; peduncles, hy panthium, and calyx villous-tomentose ; sepals broadly ovate, abruptly short-acuminate; petals rose-colored or rose-purple, oval, about 15 mm. long; stamens numerous; filaments dilated, narrowly linear; fruit short-ovoid, about 15 mm. long and 12 mm. thick, glabrous; drupelets numerous; putamen strongly reticulate
Type locality: San Francisco.
Distribution: Central California to southern Oregon.