Flora of North America species comparison

sometimes sheathed with marcescent whole leaves.

ascending to erect, (1–)2–5 dm.

decumbent to ascending, (0.2–)0.5–1.5(–2.2) dm.

subpinnate to subpalmate, (6–)10–25 cm;

petiole (2–)5–15 cm, long hairs dense, appressed, 1–2 mm, soft to ± stiff, short hairs absent, crisped hairs sparse, glands absent, sparse, or obscured;

leaflets 2–3 per side, on distal 1/6–1/3(–1/2) of leaf axis, separate to ± overlapping, terminal ones oblanceolate, (2–)3–6(–10) × 1–2(–3.5) cm, margins revolute, incised 3/4+ to midvein, undivided medial blade 1.5–6 mm wide, teeth 5–8 per side, ± linear, surfaces ± to strongly dissimilar, abaxial usually white, rarely grayish, long hairs abundant especially on veins, 1–2 mm, ± weak, short hairs absent or obscured, cottony (and crisped) hairs ± dense, glands absent or obscured, adaxial green to grayish, long hairs sparse to abundant, loosely appressed, 0.5–1.5 mm, short hairs absent or sparse, crisped and/or cottony hairs sparse to common, glands sparse to common.

usually palmate, rarely also ternate on same plant or subpalmate, (1–)2–6(–8) cm;

petiole (0.5–)1–2.5 cm, long hairs abundant to dense, ± appressed, 0.5–1.2 mm, stiff, verrucose, crisped hairs common, cottony hairs absent, glands sparse to abundant but usually obscured;

leaflets (3–)5–7, proximalmost separated by 0–2 mm, central ± obovate, (0.5–)1–1.5(–2) × (0.3–)0.5–0.8(–1) cm, petiolules 0–1 mm, distal 3/4 to nearly whole margin incised 3/4+ to midvein, teeth 2–4(–5) per side, (2–)3–6(–10) mm, apical tufts 0.5 mm, abaxial surfaces white, long hairs common to abundant, cottony-crisped hairs dense, short hairs and glands absent or obscured, adaxial grayish green, long hairs abundant, 0.5–1.5 mm, ± stiff, short-crisped (rarely ± cottony) hairs sparse to common, glands absent or sparse.

2–4.

1–3.

(4–)10–50(–100)-flowered, congested or elongating in fruit.

(1–)3–10(–20)-flowered, congested or ± elongating in fruit, branch angle 5–30°.

0.2–0.8 cm (proximal to 2 cm).

0.2–0.7 cm, proximal to 1.3 cm.

epicalyx bractlets narrowly elliptic to lanceolate, 2.5–6 mm, lengths ± 2/3 times sepals, margins flat;

hypanthium 3–5 mm diam.;

sepals 3–6 mm, apex ± acute, abaxial surfaces: venation indistinct, glands absent, sparse, or obscured;

petals yellow, 3–5 × 3–4 mm, lengths ± equal to sepals;

filaments 0.5–2 mm, anthers 0.3–0.5 mm;

carpels 50–80, styles papillate-swollen in proximal 1/2–3/4+, 1–1.2 mm.

epicalyx bractlets narrowly elliptic, (1–)1.5–2.5(–3) × 0.5–1 mm;

hypanthium 3–4 mm diam.;

sepals 2–4(–5) mm, apex obtuse to bluntly acute, glands sparse, obscured;

petals pale yellow, not overlapping, 2–4 × 2–3 mm, ± equal to sepals (slightly longer than in Inyo County);

filaments 1–1.5 mm, anthers 0.3–0.5 mm;

carpels 30–50, styles 1–1.2 mm.

1–1.2 mm, smooth to faintly rugose.

1–1.4 mm.

= 56.