Southern Flax

Cathartolinum australe (Heller) Small
Linum australe Heller, Bull. Torrey Club 25 : 627. 1898.
Plants 1-5.5 dm. tall, pale-green, and somewhat glaucous when young, glabrous or nearly so. Stems simple below, or branched at or near the base, the branches erect or ascending, striate, corymbose above, the branches of the inflorescence rather slender but strict and stiff ; leaves rather few even at the base of the stem and early deciduous, remote above, erect or nearly so and more persistent than the lower ones, the blades thick, linear to linear-subulate, acute or acuminate, serrulate, sessile ; bracts subulate, glandular-toothed; outer sepals lanceolate or oblong-lanceolate, becoming 6-8 mm. long, evenly glandulartoothed, each narrowed into a long very slender spine-like tip ; inner sepals slightly broader than the outer, more closely toothed and often with more slender tips ; petals pale-yellow, 6-9 mm. long; capsules ovoid, 3-3.5 mm. long.
Type locality : Four miles east of Santa Fe, New Mexico. Distribution : Colorado to New Mexico, Arizona, and northern Mexico.

Linum australe là một loài thực vật có hoa trong họ Linaceae. Loài này được A. Heller mô tả khoa học đầu tiên năm 1898.