Epilobium matthewsii Petrie

Stems few, sparingly branched, from a hard woody stock, purplish to reddish, up to 25 cm. long, us. shorter, faintly bifariously pubescent, straggling. Lvs opp., except in floral region, sessile or on very short broad petioles, us. close-set. Lamina rather broad-elliptic to obovate, 15-25 × 6-12 mm., often tinged red, membr., glab.; margins remotely denticulate to subentire. Fls ± 10 mm. diam.; calyx ± 5 mm. long, lobes lanceolate; petals pinkish in bud, then white, ± 8 mm. long, obovate. Capsules (20)-30-(40) mm. long, pale brown to reddish, glab.; peduncles glab. 15-(25) mm. long. Seeds papillose.