provided by eFloras
Herbs annual. Roots fibrous. Flowering stems branched from base, erect or ascending, 3-8 cm. Leaves ± crowded or remote; leaf blade sublinear to narrowly triangular-linear, 5-6.8 × 1.2-1.4 mm, basal spur truncate to shallowly 3-lobed, apex acuminate. Cyme corymbiform, dense; bracts sublinear to narrowly triangular-linear. Flowers unequally 5- or 6-merous; pedicel 1-2 mm. Sepals sublinear-lanceolate or subovate, subequal or unequal, 5.5-9 × 1.3-1.8 mm, base obtusely spurred, apex acuminate. Petals yellow, oblong-lanceolate, 7-8.9 × ca. 1.3 mm, base connate for 0.5-0.8 mm, apex long mucronate. Stamens 10; antesepalous ones 4.5-5.2 mm; antepetalous ones ca. 3 mm, inserted ca. 2.5 mm from petal base. Nectar scales linear-spatulate, apex ± dilated. Carpels erect, oblong to narrowly ovoid; ovules 5-10. Seeds obovoid-oblong. Fl. Sep-Oct, fr. Oct-Nov.
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA