Difference between revisions of "Thymophylla tephroleuca"
Sida 11: 378. 1986.
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|distribution=Tex. | |distribution=Tex. | ||
|discussion=<p>Of conservation concern.</p><!-- | |discussion=<p>Of conservation concern.</p><!-- | ||
| − | --><p>Thymophylla tephroleuca probably grows also in adjacent Mexico. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.</p> | + | --><p><i>Thymophylla tephroleuca</i> probably grows also in adjacent Mexico. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1986 | |publication year=1986 | ||
|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/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V19-20-21/V21_590.xml |
|tribe=Asteraceae tribe Heliantheae | |tribe=Asteraceae tribe Heliantheae | ||
|subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae | |subtribe=Asteraceae (tribe Heliantheae) subtribe Pectidinae | ||
Revision as of 15:35, 18 September 2019
Subshrubs or shrubs, ashy white, 10–30 cm, lanate to tomentose. Stems erect. Leaves all or mostly alternate; blades not lobed, linear to filiform, 10–15 × 0.3–1 mm, margins usually entire, sometimes 3-fid distally. Peduncles 10–30 mm, tomentose. Calyculi of 3–4 linear bractlets, lengths 1/2+ phyllaries. Involucres campanulate, 5–7 mm. Phyllaries 12–13, margins of outer distinct less than 1/4 their lengths, abaxial faces tomentose. Ray florets 12–13; corollas golden yellow, laminae 6–8 × 3–4 mm. Disc florets ca. 30; corollas yellow, 4.5–5 mm. Cypselae 3–4 mm; pappi of 10–11 subequal scales 4–5 mm (each 3–5-aristate). 2n = 16.
Phenology: Flowering early spring and late summer, following rains.
Habitat: Light, sandy soils
Elevation: 50–100 m
Discussion
Of conservation concern.
Thymophylla tephroleuca probably grows also in adjacent Mexico. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.
Selected References
None.