Ornithopus compressus |
Ornithopus perpusillus |
|
---|---|---|
yellow bird's-foot, yellow serradela |
bird's foot, little white bird's-foot |
|
Stems | 10–50 cm. |
5–30 cm. |
Leaves | 30–60 × 10–15 mm; stipules linear, 1 mm; leaflets 15–37, blades elliptical to oblong-lanceolate, leaflets of larger leaves 5–9 × 2–3 mm. |
10–40 × 5–10 mm; stipules deltate, 1 mm; leaflets 15–27, blades ovate, elliptic, or oblong, leaflets of larger leaves 3–6 × 1–3 mm. |
Peduncles | 1.5–2 cm in flower, 4–6 cm in fruit. |
1–3 cm in flower, 2–5 cm in fruit. |
Pedicels | 0–1 mm. |
0–1 mm. |
Flowers | calyx 3.5–4.3 mm, lobes 1.2–1.8 mm, more than 1/2 tube length; corolla yellow, 5–8 mm. |
calyx 2–2.5 mm, lobes 0.4–0.7 mm, 1/4–1/3 tube length; corolla white or pink, sometimes with darker lines, 3–5 mm. |
Heads | 3–8-flowered, 7–10 mm diam.; bract equaling or longer than flowers, 7–9-foliolate. |
3–8-flowered, 5 mm diam.; bract equaling or longer than flowers, 5–9-foliolate. |
Seeds | 2 × 1.5 mm. |
1 × 1 mm. |
Loments | weakly compressed, not or slightly constricted between seeds, 20–50 × 2–3 mm; segments 5–8, oblong, 3.5–4 mm; beaks ± curved, 3–7 mm. |
compressed, constricted between seeds, 10–18(–25) × 1.5–2 mm; segments 4–9, elliptic-oblong, 2–2.5 mm; beaks straight, often hooked at tip, 1–3 mm. |
2n | = 14. |
= 14. |
Ornithopus compressus |
Ornithopus perpusillus |
|
Phenology | Flowering late spring–early summer. | Flowering late spring–summer. |
Habitat | Disturbed open areas, waste places. | Disturbed ground, roadsides, waste places. |
Elevation | 10–30 m. (0–100 ft.) | 10–50 m. (0–200 ft.) |
Distribution |
OR; Europe; w Asia [Introduced in North America; introduced also in Australia] |
OR; PA; BC; Europe; temperate w Asia [Introduced in North America] |
Source | FNA vol. 11. | FNA vol. 11. |
Parent taxa | ||
Sibling taxa | ||
Name authority | Linnaeus: Sp. Pl. 2: 744. (1753) | Linnaeus: Sp. Pl. 2: 743. (1753) |
Web links |