Amsinckia menziesii

Erect herb, 10–80 cm high; stems strigose and with many short fine hairs. Leaves hirsute with appressed or spreading hairs, apex acute, base cuneate to subcordate, margins more or less flat; rosette leaves linear to lanceolate, 3–12 cm long, 5–15 mm wide; cauline leaves linear-lanceolate, becoming smaller towards inflorescence. Sepals linear-lanceolate, 3–5 mm long, acute, scarcely connate at base, elongating to 5–11 mm in fruit; corolla 5–7 mm long, throat open and glabrous, pale yellow, tube much longer than lobes; stamens inserted in corolla throat. Mericarps ovoid, 2.5–3.5 mm long, 1 or 2 frequently aborted, not or only weakly transversely wrinkled; dorsal ridge and faces covered with spine-tipped tubercles. Flowers spring.