Flora of North America species comparison

erect or ascending, usually flexuous and abruptly angled distal to each node, hirsute or hirsutulous.

prostrate to ascending and radiating, (0.5–)2–18(–24) cm underground, frequently exceeding aerial stem length, strigulose.

3–10(–11) cm;

stipules lanceolate-attenuate, (1.5–)2.5–8(–9) mm, herbaceous, sometimes papery at proximal nodes;

leaflet blades obovate to elliptic, (3–)5–19 mm, apex acute to obtuse or retuse, surfaces pubescent abaxially, sometimes glabrous adaxially.

1–5.5 cm;

stipules distinct throughout or shortly connate-sheathing at proximal nodes, 2–5 mm, subherbaceous;

leaflets closely spaced on rachis, blades obovate to elliptic or oblong, 1–12 mm, apex obtuse to retuse, surfaces gray-strigulose, sometimes glabrous adaxially.

10–25-flowered;

axis (1–)2–5 cm in fruit;

bracts (2.5–)4–12 mm;

bracteoles 0–2.

(1 or)2–10-flowered;

axis 0.3–1 cm in fruit;

bracts 1.5–2.5 mm;

bracteoles 0.

erect, 1.5–5.5 cm.

ascending, 0.5–4 cm.

0.5–2.3 mm.

1.2–3 mm.

12–15.3 mm;

calyx 9.5–13 mm, hirsute to hirsutulous, tube 7–8.6 mm, lobes subulate to linear-subulate, 2.5–5.5 mm;

corolla bicolored, keel tip maculate.

9–17 mm;

calyx 4.8–10.5 mm, strigulose, tube 3.5–7.6 mm, lobes subulate, 1.2–3 mm;

corolla white or ochroleucous, or banner and wings tinged lavender, keel tip pink or purplish;

keel 7.4–13.2 mm.

stramineous, incurved, (20–)25–40 × (4–)5–7(–8) mm, thin becoming papery, glabrous.

pale green and red-cheeked, 15–38 × 8–23 mm, thin becoming papery, strigose;

gynophore 1–4.5 mm.

= 24.