Madia citriodora

Greene
Bull. Torrey Bot. Club 9: 63. 1882.
Endemic
Treatment appears in FNA Volume 21. Treatment on page 306. Mentioned on page 305, 307.

Plants 10–70 cm, self-compatible (heads not showy). Stems proximally villous to hirsute, distally glandular-pubescent, glands purple, lateral branches often surpassing main stems. Leaf blades linear, 2–9 cm × 1–10 mm. Heads in open, corymbiform arrays. Involucres ± ovoid to hemispheric, 6–8 mm. Phyllaries ± villous or hirsute, glandular-pubescent as well (often sparsely), glands purple, apices usually ± erect, flat. Paleae mostly persistent, mostly connate 1/2+ their lengths. Ray florets 5–12; corollas greenish yellow, laminae 4–11 mm. Disc florets 8–50+, functionally staminate; corollas 2–3 mm, pubescent; anthers ± dark purple. Ray cypselae black or brown, sometimes mottled, glossy, ± 3-angled (abaxial sides rounded, adaxial sides 2-faced, angles between those faces ca. 70°), beakless (or nearly so). Disc cypselae 0. 2n = 16.


Phenology: Flowering Apr–Jul.
Habitat: Openings in woodlands, forests, and shrublands, disturbed sites, stream banks, often in dry, stony or clayey soils
Elevation: 30–1600 m

Distribution

V21-746-distribution-map.gif

Calif., Nev., Oreg., Wash.

Discussion

Madia citriodora occurs in northern California, northwestern Nevada, Oregon, and Washington, sometimes with (and often confused with) M. gracilis.

Selected References

None.

Lower Taxa

None.

... more about "Madia citriodora"
Bruce G. Baldwin +  and John L. Strother +
Greene +
Calif. +, Nev. +, Oreg. +  and Wash. +
30–1600 m +
Openings in woodlands, forests, and shrublands, disturbed sites, stream banks, often in dry, stony or clayey soils +
Flowering Apr–Jul. +
Bull. Torrey Bot. Club +
Compositae +
Madia citriodora +
species +