Columbiadoria

G. L. Nesom

Phytologia 71: 249. 1991.

Etymology: Columbia (River), and doria, an early name for goldenrods
Treatment appears in FNA Volume 20. Treatment on page 167. Mentioned on page 8, 168.
 TaxonIllustrator 
FNA20 P16 Columbiadoria halli.jpegColumbiadoria hallii
Eastwoodia elegans
Nestotus stenophyllus
Linny Heagy
Barbara Alongi
Yevonn Wilson-Ramsey

Subshrubs 30–60 cm; taproots stout, bases woody, branched. Stems strictly erect, mostly simple, glabrous or glabrate to hirtellous. Leaves basal (usually not persistent) and cauline; alternate; sessile; blades oblanceolate, gradually reduced distally, margins entire, 1-nerved (net-nerved), sparsely scabroso-hispidulous, eglandular or obscurely gland-dotted, not resinous. Heads radiate, in racemiform or loosely spiciform to loosely corymbiform arrays. Involucres cylindro-turbinate, 8–11 × 5–6 mm. Phyllaries 35–40 in 5–6 series, 1-nerved (not evident; convex, not keeled or only slightly so on distal 1/2), lanceolate, unequal, proximal 2/3 white-indurate, margins herbaceous, convex, midnerves not evident (apices green), glabrous. Receptacles flat, smooth, epaleate. Ray-florets 5–8, pistillate, fertile; corollas yellow (weakly if at all coiling). Disc-florets 15–25, bisexual, fertile; corollas yellow, tubes shorter than narrowly funnelform throats, lobes 5, erect, deltate; style-branch appendages linear-lanceolate (5–6 times longer than stigmatic lines, papillate distally). Cypselae narrowly oblong, slightly compressed, 8-nerved, moderately strigose; pappi persistent, of 40–50, tan, barbellate, attenuate bristles in 1 series.

Distribution

nw United States

Discussion

Species 1.

Possibly, Columbiadoria is a member of the Petradoria group (Solidagininae), although it lacks the characteristic linear-lanceolate, parallel-nerveed leaves of those species (G. L. Nesom 1991f).

... more about "Columbiadoria"
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
loosely spiciform +  and loosely corymbiform +
indeterminate +  and determinate +
Guy L. Nesom +
G. L. Nesom +
decurrent +
compound +  and simple +
oblanceolate +
reduced +
rugulose +  and muricate +
not 2-lipped +  and actinomorphic +
beaked +, 2-ribbed +  and 5-ribbed +
compressed +  and oblong +
fertile +  and bisexual +
fertile +  and bisexual +
nw United States +
Columbia (River), and doria, an early name for goldenrods +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.8 cm8 mm <br />0.008 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
cylindro-turbinate +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
cauline +  and basal +
deltate +
eglandular +  and 1-nerved +
not resinous +
gland-dotted +
scabroso-hispidulous +
2-carpellate +
persistent +
lanceolate +
bearing subulate enations +, hairy +  and bristly +
concave;usually flat;conic +
nesom1991c +
exalbuminous +
appendaged +  and truncate +
papillate +  and smooth +
Compositae +
Columbiadoria +
Asteraceae tribe Astereae +
perennial +, biennial +  and annual +