Adenophyllum wrightii var. wrightii |
|
---|---|
Habit | Annuals, to 70 cm. |
Leaves | linear or pinnately lobed, 25–35 mm, lobes 5–9, linear (each with oil-gland at base). |
Peduncles | 3–6 cm. |
Involucres | broadly campanulate to obconic, 7–8 mm. |
Ray florets | usually 8; corollas yellow-orange; tubes 3 mm, laminae 2 × 1 mm. |
Disc florets | 30–50; corollas pale yellow, often tipped with crimson, 4–5 mm. |
Phyllaries | 8–13, narrowly to broadly oblanceolate, remaining connate in fruit. |
Calyculi | of 3–5 subulate bractlets 3–5 mm (eglandular). |
Cypselae | 3.5–4.5 mm; pappi of 10 outer, erose scales 0.7–1 mm plus 10 inner, unequally 3-aristate scales 5–6.5 mm. |
2n | = 14. |
Adenophyllum wrightii var. wrightii |
|
Phenology | Flowering fall. |
Habitat | Wettish sites in otherwise arid areas, coarse, sandy alluvium |
Elevation | 1500–2600 m (4900–8500 ft) |
Distribution |
AZ; NM; Mexico (Chihuahua) |
Source | FNA vol. 21, p. 239. |
Parent taxa | |
Name authority | unknown |
Web links |