Rainiera

Greene

Pittonia 3: 291. 1898.

Etymology: No etymology in protologue perhaps alluding to association with Mt. Rainier
Treatment appears in FNA Volume 20. Treatment on page 628. Mentioned on page 543.
 TaxonIllustrator 
FNA20 P69 Rainiera stricta.jpegRainiera stricta
Tetradymia canescens
Tetradymia spinosa
Linny Heagy
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey

Perennials, mostly 30–100 cm (rhizomes fibrous-rooted). Stems usually 1, erect (seldom branched, fistulose). Leaves basal and cauline; alternate; petiolate; blades palmately (± parallel) nerved, oblanceolate to spatulate, margins entire or toothed, faces glabrous or glabrate. Heads discoid, (30–70+) in racemiform or subthyrsiform arrays. Calyculi 0. Involucres turbinate to cylindric, 3–4+ mm diam. Phyllaries persistent, (4–) 5 (–8) in 1–2 series, erect, distinct, ovate to lanceolate, subequal, margins scarious (± keeled along midnerves, abaxially arachno-tomentose). Receptacles flat, alveolate, epaleate. Ray-florets 0. Disc-florets (4–) 5 (–8), bisexual, fertile; corollas usually yellow, rarely purple-tinged, tubes longer than cylindric throats, lobes 5, erect to spreading, lanceolate; style-branches stigmatic in 2 lines, apices rounded-truncate. Cypselae (brown) ± terete, 10–20-nerved, glabrous; pappi persistent, of 150–200, white or stramineous, barbellulate bristles (in 3–4 series).

Distribution

nw United States

Discussion

Species 1.

Selected References

None.

Lower Taxa

... more about "Rainiera"
not tailed +, rounded +  and obtuse +
papillate +
rounded-truncate +
scarious +
usually ovate +  and lance-linear +
subthyrsiform +  and racemiform +
indeterminate +  and determinate +
John L. Strother +
Greene +
decurrent +
oblanceolate;spatulate +
winged;nerved;ribbed +
stramineous +  and white +
purple-tinged +  and yellow +
fertile +  and bisexual +
fertile +  and bisexual +
nw United States +
No etymology in protologue +  and perhaps alluding to association with Mt. Rainier +
glabrate +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
turbinate;cylindric +
cauline +  and basal +
erect;spreading +
lanceolate +
dentate to pinnatifid +  and entire +
toothed +  and entire +
2-carpellate +
persistent +
ovate +  and lanceolate +
styliferous +, neuter +  and pistillate +
sterile +  and fertile +
bearing subulate enations +, hairy +  and bristly +
conic;usually flat;convex +
exalbuminous +
appendaged +  and truncate +
papillate +
Compositae +
Rainiera +
Asteraceae tribe Senecioneae +
cylindric +
30 cm300 mm <br />0.3 m <br /> (100 cm1,000 mm <br />1 m <br />) +
vine +, tree +, shrub +  and subshrub +