Difference between revisions of "Castilleja gleasoni"
Bot. Gaz. 39: 51. 1905. (as Castilleia)
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|place=39: 51. 1905 | |place=39: 51. 1905 | ||
|year=1905 | |year=1905 | ||
| + | |other_info_on_pub=(as Castilleia) | ||
}} | }} | ||
|common_names=Mt. Gleason paintbrush | |common_names=Mt. Gleason paintbrush | ||
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|name=Castilleja pruinosa subsp. gleasoni | |name=Castilleja pruinosa subsp. gleasoni | ||
|authority=(Elmer) Munz | |authority=(Elmer) Munz | ||
| + | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Orobanchaceae;Castilleja;Castilleja gleasoni | |hierarchy=Orobanchaceae;Castilleja;Castilleja gleasoni | ||
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|elevation=900–2200 m. | |elevation=900–2200 m. | ||
|distribution=Calif. | |distribution=Calif. | ||
| − | |discussion=<p>Castilleja gleasoni is an uncommon plant endemic to the upper elevations of the San Gabriel Mountains of Los Angeles County. It was treated as a polyploid derivative of C. affinis var. affinis (as subsp. affinis) × C. foliolosa (T. I. Chuang and L. R. Heckard 1993b), a hypothetical ancestry supported by a chromosome number of 2n = 72. Others have placed it as a subspecies of C. pruinosa, a similar species. However, the morphology of C. gleasoni also suggests it could have originated as a cross between the diploid C. foliolosa and a tetraploid form of C. martini; careful morphological and molecular analyses are needed to determine its true ancestry.</p><!-- | + | |discussion=<p><i>Castilleja gleasoni</i> is an uncommon plant endemic to the upper elevations of the San Gabriel Mountains of Los Angeles County. It was treated as a polyploid derivative of <i>C. affinis </i>var.<i> affinis</i> (as <i></i>subsp.<i> affinis</i>) × <i>C. foliolosa</i> (T. I. Chuang and L. R. Heckard 1993b), a hypothetical ancestry supported by a chromosome number of 2n = 72. Others have placed it as a subspecies of <i>C. pruinosa</i>, a similar species. However, the morphology of <i>C. gleasoni</i> also suggests it could have originated as a cross between the diploid <i>C. foliolosa</i> and a tetraploid form of <i>C. martini</i>; careful morphological and molecular analyses are needed to determine its true ancestry.</p><!-- |
| − | --><p>Castilleja gleasoni is in the Center for Plant Conservation’s National Collection of Endangered Plants.</p> | + | --><p><i>Castilleja gleasoni</i> is in the Center for Plant Conservation’s National Collection of Endangered Plants.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Castilleja gleasoni | name=Castilleja gleasoni | ||
| − | |||
|authority=Elmer | |authority=Elmer | ||
|rank=species | |rank=species | ||
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|publication year=1905 | |publication year=1905 | ||
|special status=Endemic;Conservation concern | |special status=Endemic;Conservation concern | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V17/V17_1074.xml |
|genus=Castilleja | |genus=Castilleja | ||
|species=Castilleja gleasoni | |species=Castilleja gleasoni | ||
Latest revision as of 20:24, 5 November 2020
Herbs or subshrubs, perennial, 3–8 dm; from a woody caudex; with a taproot. Stems several to many, erect to ascending, branched, sometimes unbranched, hairs moderately dense, spreading, ± matted, ash gray, branched, sometimes unbranched, medium length, soft, often mixed with shorter, unbranched, stipitate-glandular ones, not obscuring surface. Leaves ash gray, linear-lanceolate to narrowly oblong or narrowly oblanceolate, 2–6 cm, not fleshy, margins wavy, involute, 0(–3)-lobed, apex acute to obtuse; lobes spreading, narrowly lanceolate, apex acute to obtuse. Inflorescences 10–15(–30) cm; bracts proximally greenish to dull brownish purple, distally red to deep red or red-orange, lanceolate to oblong or narrowly ovate, (0–)3(–5)-lobed; lobes ascending to spreading, narrowly oblong to narrowly lanceolate, medium length, arising below mid length, center lobe apex obtuse or toothed, lateral ones acute. Calyces proximally pale to green, sometimes dull purple, often paler or greener than bracts, distal 1/4 or less colored as bract lobes, 12–17 mm; abaxial and adaxial clefts 3–8 mm, 40% of calyx length, deeper than laterals, lateral 0.5–3 mm, 20–25% of calyx length; lobes ovate to narrowly triangular, apex obtuse to acute. Corollas ± straight, 18–30 mm; tube 9–15 mm; beak exserted, adaxially yellow, 9–15(–20) mm; abaxial lip spreading, deep green to ± black, reduced, 0.5–2 mm, 20% as long as beak; teeth incurved, green, 0.2–1 mm. 2n = 72.
Phenology: Flowering May–Jun.
Habitat: Ledges, rocky slopes, open yellow pine forests, montane chaparral or sagebrush.
Elevation: 900–2200 m.
Discussion
Castilleja gleasoni is an uncommon plant endemic to the upper elevations of the San Gabriel Mountains of Los Angeles County. It was treated as a polyploid derivative of C. affinis var. affinis (as subsp. affinis) × C. foliolosa (T. I. Chuang and L. R. Heckard 1993b), a hypothetical ancestry supported by a chromosome number of 2n = 72. Others have placed it as a subspecies of C. pruinosa, a similar species. However, the morphology of C. gleasoni also suggests it could have originated as a cross between the diploid C. foliolosa and a tetraploid form of C. martini; careful morphological and molecular analyses are needed to determine its true ancestry.
Castilleja gleasoni is in the Center for Plant Conservation’s National Collection of Endangered Plants.
Selected References
None.