OregonFlora species comparison

prostrate, loosely to densely tufted, 0–20 cm.

prostrate; much branched; mats 5–50 cm in diameter.

1–12(17) cm;

leaflets (3)5–17(21), elliptic to oblanceolate, 2–14(20) × 1–7 mm;

tips obtuse to acute;

surfaces densely villous;

stipules 2.5–15 mm; free.

0.4–2.6 cm;

leaflets 3–9, confluent with rachis, linear to narrowly elliptic or lanceolate; (1)3–13(17) × 0.5–1.5 mm;

tips softly or stiffly spine-tipped; mucros or spinules;

surfaces strigose;

stipules 1.5–5 mm; at least lowermost connate-sheathing.

racemes or subumbels, 1–12-flowered;

peduncles 1–14 cm;

bracts 4–9 mm;

pedicels 2–4.3 mm;

bracteoles 0–2.

racemes, 1–3-flowered, appearing axillary;

peduncles 0–1.5(3) cm;

bracts 0.8–3.5 mm;

pedicels 0.5–2 mm;

bracteoles 0.

ascending at anthesis;

calyces 5.5–16(19) mm, often purple, villous-pilose with white or mixed white and black hairs;

tubes 8.5–12.5 mm;

teeth subulate, 2.2–6 mm;

corollas 19–27 mm; whitish to ochroleucous or pink-purple;

ovules 14–40(46).

declined at anthesis;

calyces 2.4–8.3 mm, strigose or hirsutulous with white; black or mixture of white and black hairs;

tubes 1.3–3 mm;

teeth subulate, 0.8–5 mm;

corollas 3.9–10 mm, pink, purple or whitish to ochroleucous;

ovules 2–8.

unilocular, ascending, obliquely ovoid, usually curved, obcompressed, scarcely to deeply sulcate; (7)13–27(30) × 3.5–11 mm, densely white to tawny tomentose or densely villous;

hairs nearly always concealing valve surfaces;

valves coriaceous, sessile or on gynophores 0–1.6 mm.

unilocular, declined or spreading, elliptic to oblong, usually curved, laterally compressed, bicarinate, 3–10 × 1.3–4 mm, strigose;

valves thick-papery;

stipes 0.

=24.