Nuttallanthus texanus

Fertile stems 1–13(–30), distally branched, sometimes simple, 17–70 cm. Leaves: blades of sterile-stem leaves elliptic or oblong-elliptic to obovate, 2–18 × 0.5–3 mm, blades of fertile-stem leaves linear to narrowly elliptic, 7–34 × (0.5–)1–3.1 mm. Racemes (2–)4–20 cm; bracts narrowly oblanceolate or lanceolate to narrowly elliptic, (0.7–)2–4 mm. Pedicels erect, 2–8(–9) mm in fruit, glabrous or sparsely glandular-pubescent, hairs to 0.1 mm. Flowers: calyx lobes lanceolate to oblong, (2–)2.5–4.2 × 0.8–1.6 mm, proximally sparsely glandular-pubescent, sometimes glabrous; corolla blue to pale violet, (11–)14–22 mm, spurs curved, sometimes straight, 4.5–11 mm, abaxial lip 5–11 mm, adaxial 3–6 mm. Capsules oblong-ovoid, 2.6–4.8 × 2.5–4 mm. Seeds gray, 0.3–0.5 mm, edges rounded, rarely angled or irregularly dentate, faces prominently pointed-tuberculate, rarely with rounded ridges and scattered, rounded tubercles. 2n = 12, 24.

Nuttallanthus Texanus

Nuttallanthus texanus

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