Astragalus lentiginosus var. wahweapensis
wahweap freckled milkvetch
diffuse and incurved-ascending.
(2.5–)4–11 cm;
leaflets 13–23, blades elliptic-oblanceolate, broadly oblong-oblanceolate, or obovate, (3–)5–17(–20) mm, apex obtuse or emarginate.
10–20-flowered, flowering from middle and distally, compact to loose in fruit;
axis 1.5–5.5(–7) cm in fruit.
2.5–6(–7.5) cm.
(12.5–)15–18.2 mm;
calyx (6.2–)7.5–10.5 mm, tube (4.6–)5.2–6.7 mm, lobes 1.4–3.8 mm;
corolla usually bright pink-purple with pale, striate eye, rarely white (concolorous).
green, sometimes stramineous or purple-mottled, almost always very strongly incurved, very obliquely ovoid-acuminate, moderately or greatly inflated, 15–30(–40) × (7–)9–15 mm, bilocular, thinly papery, semitranslucent, seeds visible, to almost leathery, opaque, usually glabrous, rarely puberulent;
beak well-defined, triangular or deltoid, 6–15 mm, unilocular.
(20–)24–28.
Astragalus lentiginosus var. wahweapensis
Variety wahweapensis may be very abundant in wetter years, filling the interspaces in pinyon-juniper woodland much like an alfalfa field. It is found on the plateaus and drainages affluent to Lake Powell in eastern Kane and Garfield counties in Utah, and in northern Arizona. Variety wahweapensis grades into the slender-podded var. palans to the east and the ovoid-fruited var. diphysus southward.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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