C. M. Rogers

Madroño 18: 182, figs. 2–6. 1966.

Common names: Hard flax
Etymology: Greek skleros, hard, and linon, flax, alluding to fruit
Treatment appears in FNA Volume 12. Treatment on page 402. Mentioned on page 371, 372, 403.

Herbs, annual, glabrous, sometimes glaucous. Stems erect, usually unbranched, sometimes branched proximally and corymbosely branched distally. Leaves persistent, opposite, or distal sometimes alternate; stipular glands absent; blade oblong to elliptic, margins entire, or distal leaves sometimes serrate. Inflorescences cymes. Pedicels articulated. Flowers: sepals persistent, 5, connate at base, unequal in size, margins glandular-toothed, glabrous; petals 5, distinct, attached proximal to rim of cup between filament bases, yellow, appendages absent; stamens 5; staminodes 0; pistil 2-carpellate, ovary 4-locular, false septa complete and similar to true septa; styles 2, distinct, or connate at base; stigmas capitate, wider than styles. Fruits schizocarps, breaking into 4 nutlets, or indehiscent. Seeds 4, narrowly ovate. x = 6.


w United States.


Species 1.

Selected References