Difference between revisions of "Columbiadoria"
Phytologia 71: 249. 1991.
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--><p>Possibly, <i>Columbiadoria</i> is a member of the <i>Petradoria</i> group (Solidagininae), although it lacks the characteristic linear-lanceolate, parallel-nerveed leaves of those species (G. L. Nesom 1991f).</p> | --><p>Possibly, <i>Columbiadoria</i> is a member of the <i>Petradoria</i> group (Solidagininae), although it lacks the characteristic linear-lanceolate, parallel-nerveed leaves of those species (G. L. Nesom 1991f).</p> | ||
|tables= | |tables= | ||
| − | |references= | + | |references={{Treatment/Reference |
| + | |id=nesom1991c | ||
| + | |text=Nesom, G. L. 1991f. Redefinition of Hesperodoria (Asteraceae: Astereae) and the segregation of Columbiadoria, a new monotypic genus from the western United States. Phytologia 71: 244–251. | ||
| + | }} | ||
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|illustration copyright=Flora of North America Association | |illustration copyright=Flora of North America Association | ||
|distribution=nw United States. | |distribution=nw United States. | ||
| − | |reference= | + | |reference=nesom1991c |
|publication title=Phytologia | |publication title=Phytologia | ||
|publication year=1991 | |publication year=1991 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V20_366.xml |
|tribe=Asteraceae tribe Astereae | |tribe=Asteraceae tribe Astereae | ||
|genus=Columbiadoria | |genus=Columbiadoria | ||
Revision as of 20:27, 16 December 2019
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).