Jepson eFlora
Key to families | Table of families and genera

Key to Logfia

View taxon page for Logfia

1. Leaf generally awl-shaped, stiff; phyllaries generally 5, equal, unlike paleae; outer paleae bent inward 70–90°, longest 3.3–4.1 mm, body hard ..... L. gallica

1' Leaf generally elliptic to obovate or ± linear, flexible; phyllaries 0 or 1–4, unequal, like vestigial paleae; outer paleae curved inward 20–60°, longest 2.1–3.3 mm, body membranous to cartilaginous

2. Stem generally leafless between proximal forks, becoming ± purple to black, ± glabrous; heads 4–10 per group, only at stem forks and tips; distal leaves ± linear, generally 2–5 × heads; pappus-bearing inner flowers 4–12, (0)1–2 pistillate ..... L. arizonica

2' Stem ± evenly leafy proximally, green to ± gray or ± white, cobwebby to tomentose; heads (1)2–5 per group, not only at stem forks and tips; distal leaves elliptic to obovate, 0.8–2(3) × heads; pappus-bearing inner flowers (12)17–40+, (4)10–35 pistillate

3. Stem (1)3–10+, forked ± throughout; largest leaves 6–8(10) mm, 1–2 mm wide; distal leaves obtuse; outer palea body, except midvein, membranous; disk corolla lobes generally 5, ± yellow to ± brown; outer fruit 0.7–0.9 mm; inner fruit generally smooth, pappus bristles (11)13–15, falling separately or in 2s ..... L. depressa

3' Stem 1(7), generally forked distally, central axis dominant; largest leaves 10–15(20) mm, 2–3(4) mm wide; distal leaves generally acute; outer palea body ± cartilaginous; disk corolla lobes generally 4, ± bright red to purple; outer fruit 0.9–1 mm; inner fruit ± papillate, pappus bristles 17–23+, falling together in intact or broken ring ..... L. filaginoides

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