Trifolium ciliolatum |
Trifolium ornithopodioides |
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foothill clover |
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Habit | Plants annual, erect, 5–50 cm, glabrous or sparsely hairy; branched. | |
Leaves | palmate; leaflets 3, elliptic to oblong or obovate, 8–35 × 5–15 mm, bases cuneate; margins serrate proximally, obscurely denticulate distally; veins thickened; tips usually rounded or retuse, rarely acute; surfaces glabrous; petioles 10–130 mm; petiolules ~0.5 mm; stipules ovate-lanceolate, 10–15 mm; margins entire, sometimes ciliate; tips acuminate. |
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Inflorescences | axillary or terminal, 10–30-flowered; ovoid becoming subglobose, 7–22 × 5–20 mm; involucres a narrow, membranous, dentate rim; ~0.5 mm; bracteoles linear or cup-shaped; ? 1 mm. |
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Peduncles | 25–120 mm. |
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Pedicels | erect but becoming reflexed, 0.5–6 mm. |
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Flowers | 6–13 mm; calyces broadly campanulate, 5–11 mm, glabrous; veins 10; tubes 1–5 mm; lobes elliptic to linear, unequal; margins hyaline, markedly ciliate, dentate or pectinate; sinuses narrow; orifices open; corollas 5–13 mm, white, pink, or purple; banners broadly ovate, 6–13 × 4–7 mm; tips rounded, apiculate. |
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Fruits | longitudinally dehiscent; ovoid, 5–10 mm; < 2 × as long as calyces; short-stipitate. |
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Seeds | 1–2; ovoid, 2.5–3 mm, brown, mottled; smooth. |
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2n | =16. |
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Trifolium ciliolatum |
Trifolium ornithopodioides |
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Distribution | ||
Discussion | Oak-pine chaparral, meadows, roadsides. Flowering May–Jun. 50–800 m. Col, ECas, Sisk, WV. CA, WA; south to Mexico. Native. |
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Source | Flora of Oregon, volume 2, page 725 Michael Vincent |
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Sibling taxa | ||
Web links |