Draba matthioloides Gilg & O. E. Schulz in Engler, Pflanzenr. IV. 105(Heft 89): 151. 1927. TYPE: Peru, [Dep. Cajamarca,] between Hualgayoc and Cajamarca, 4100–4200 m, 9 Jun 1904, A. Weberbauer 4231 (lectotype, designated by Macbride (Field Mus. Nat. Hist, Bot. 13: 959. 1938), B!).

     Subshrubs or suffrutescent herbs. Stems 20–50 cm, branched, woody, to 5 mm at base, tomentose with stellate trichomes. Leaves all cauline; petiole absent or obsolete; leaf blade lanceolate to oblong or elliptic, 0.6–2.5 cm × 2–7 mm, both surfaces densely white tomentose with short-stalked or subsessile, 4-rayed stellate trichomese, the rays 3–5-branched, base cuneate, margin entire or rarely with a minute lateral tooth, apex acute. Racemes corymbose, few-flowered, elongated in fruit, bracteate throughout; bracts similar in morphology and pubescence to cauline leaves; fruiting pedicel tomentose, slender, straight, ascending, 0.8–2 cm. Flowers: sepals greenish yellow, erect, tomentose, broadly lanceolate to oblong-lanceolate, caducous, 6–7 mm, margin broadly membranaceous, base of lateral pair subsaccate; petals orange to lemon yellow, narrowly obovate to oblong, 8–11 × 2.5–3.5 mm, abruptly cuneate to claw 2–3 mm, the blades erect, apex shallowly emarginate; anthers oblong, sagittate at base, 1.2–1.5 mm; nectar glands confluent, subtending bases of all filaments; ovules 40–48 per ovary. Fruit ovate or oblong-lanceolate, flattened, not twisted, 8–16 × 3.5–5 mm; valves densely tomentose with stellate trichomes; style slender, (5–)7–10 mm, exserted at anthesis; stigma capitate, entire. Seeds reddish brown, ovate, compressed, 1.2–1.5 × 0.9–1 mm.

Flowering: Jun–Jul.

Habitat: rock crevices.

Elevation: 4100–4500 m.

Distribution: Peru (Ancash, La Libertad).