Large-bracted Scurf-pea - Pediomelum cuspidatum
State Rank Reason (see State Rank above)
Reported for eastern Montana (Dorn 1984). More information needed to determine the status of the species in the state.
Perennials with shortly branching caudex; stems procumbent to ascending (rarely erect), up to 90 cm tall, branched above, sparsely appressed-pubescent. Leaves palmately 3-5 foliate; leaflets 2.5-6 cm long, 1-3 cm wide. Inflorescence a dense spicate raceme 4-9 cm long. Calyx tube 4-7 mm at anthesis, gibbous at base, longest lobe (=lower lobe) 7-12(-15) mm, tube strigose and glandular. Corolla blue, purple, blue-lavendar or rarely white; banner 12-15 mm long with short basal lobes, claw 4-6 mm long, curved; wings with blades 1 cm long, claws 5-7 mm long, free portin of keel 4-6 mm long. Pods 6-8 cm long, enclosed in enlarged calyx, the curved beak 2 mm long. Seeds 4-5 mm long, olivaceous to dark brown, smooth (adapted from: McGregor, 1986, Flora of the Great Plains).
Central Great Plains, SD and NE south to TX (Kartesz in prep. 2012). Collected from counties in SD and WY adjacent to MT, thus to be expected in MT.
Dry prairies, gravelly hilltops and slopes, stream valleys, chalk bluffs, and badlands (McGregor, 1986, in Flora of the Great Plains).
- Additional ReferencesLegend: View Online Publication
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- Lesica, P., M. T. Lavin, and P. F. Stickney. 2012. Manual of Montana Vascular Plants. Fort Worth, TX: BRIT Press. viii + 771 p.