Flora of North America species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Madia citriodora

lemon tarweed, lemon-scented madia, lemon-scented tarplant, lemon-scented tarweed
Habit 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.
Involucres

± ovoid to hemispheric, 6–8 mm.
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.
Phyllaries

± villous or hirsute, glandular-pubescent as well (often sparsely), glands purple, apices usually ± erect, flat.
Heads

in open, corymbiform arrays.
Disc cypselae

0.
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).
Paleae

mostly persistent, mostly connate 1/2+ their lengths.
2n

= 16.

Madia citriodora
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 (100–5200 ft)
Distribution
from FNA
CA; NV; OR; WA
[WildflowerSearch map]
[BONAP county map]
Discussion

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

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 21, p. 306.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Madiinae > Madia
Sibling taxa
M. anomala, M. citrigracilis, M. elegans, M. exigua, M. glomerata, M. gracilis, M. radiata, M. sativa, M. subspicata
Name authority Greene: Bull. Torrey Bot. Club 9: 63. (1882)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

Choose a data source: Flora of North America, OregonFlora, UW Burke Herbarium

The species comparison tool is brought to you by:
Northwest Wildflowers