Comprehensive Description
provided by North American Flora
Cathartolinum rupestre (A. Gray) Small
Linum Booiih rupestre A. Cray, Bost. Jour. Nat. Hist. 6 : 155. 1850. Linum rupestre Kn^elm. ; Bost. Jour. Nat. Hist. 6 : 232. 1S50.
Perennial, bright-green, glabrous, more slender than C. Wrightii, the stems more or less densely tufted, 2-4 dm. tall, sparingly corymbose-branched above, the branches of the inflorescence terminating in irregular rather few-flowered cymes ; leaves approximate at the base of the stem, rather distant above, erect or appressed, mostly alternate, early deciduous, the blades thickish, linear-spatulate below to narrowly linear or subulate above, mostly less than 1 cm. long, or longer near the base of the stem, acuminate, entire, sessile ; bracts subulate, glandular-toothed ; outer sepals oblong to lanceolate, becoming 3-4 mm. long, short-acuminate, rather evenly glandular-toothed ; inner sepals oval to ovate, more finely toothed than the outer, abruptly short-pointed ; petals yellow ; audroecium and gynoecium glabrous; capsules ovoid, 2.5 mm. long, barely equaling the sepals.
Type locality : New Braunfels, Texas. Distribution : Texas, New Mexico, and Mexico.
- bibliographic citation
- John Kunkel Small, Lenda Tracy Hanks, Nathaniel Lord Britton. 1907. GERANIALES, GERANIACEAE, OXALIDACEAE, LINACEAE, ERYTHROXYLACEAE. North American flora. vol 25(1). New York Botanical Garden, New York, NY
