Lupinus argenteus var. fulvomaculatus
Lupinus argenteus var. argophyllus
branched.
branched.
usually cauline, basal leaves usually absent at flowering, if present then petioles less than 3 times as long as leaflets;
leaflet blades flat, oblanceolate, surfaces glabrous or pubescent adaxially.
cauline;
petiole of proximal cauline leaves 1.5–3 cm;
leaflet blade surfaces silvery-pubescent.
1–2.5 mm.
2–4 mm in flower, to 8 mm in fruit.
6–8 mm;
calyx bulge 0–1 mm;
corolla pale blue with brown banner patch, banner glabrous or hairy abaxially.
8–12 mm, in profile appearing closed;
calyx spur 1–3 mm (less pronounced);
corolla light blue, banner usually hairy abaxially.
= 48.
= 48.
Lupinus argenteus var. fulvomaculatus
Lupinus argenteus var. argophyllus
Variety fulvomaculatus is known from the Abajo and La Sal mountains in southeastern Utah, mountainous Colorado, in the Santa Fe National Forest and vicinity in New Mexico, and in northeastern Apache County, Arizona, where it is rare.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Variety argophyllus is known from the foothills of the Rocky Mountains from Montana and South Dakota southward to northern Arizona, New Mexico, and the San Juan Basin in southwestern Colorado, and eastward into Nebraska, Oklahoma, Texas, and Wyoming.
Variety argophyllus can be separated by the spurred calyx, flowers in profile appearing closed or shallowly gaping, and petioles of the lowest or largest cauline leaves 1.5–3 cm.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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