Difference between revisions of "Epithelantha bokei"
Cact. Succ. J. (Los Angeles) 41: 185, figs. 2, 3(lower). 1969.
FNA>Volume Importer |
imported>Volume Importer |
||
| (6 intermediate revisions by 2 users not shown) | |||
| Line 11: | Line 11: | ||
|name=Epithelantha micromeris var. bokei | |name=Epithelantha micromeris var. bokei | ||
|authority=(L. D. Benson) Glass & R. A. Foster | |authority=(L. D. Benson) Glass & R. A. Foster | ||
| + | |rank=variety | ||
}} | }} | ||
|hierarchy=Cactaceae;Cactaceae subfam. Cactoideae;Epithelantha;Epithelantha bokei | |hierarchy=Cactaceae;Cactaceae subfam. Cactoideae;Epithelantha;Epithelantha bokei | ||
| Line 26: | Line 27: | ||
|elevation=700[-1400] m | |elevation=700[-1400] m | ||
|distribution=Tex.;Mexico (Coahuila). | |distribution=Tex.;Mexico (Coahuila). | ||
| − | |discussion=<p>Epithelantha bokei is an obligate outcrosser. Its flowers tend to open in mid afternoon, when those of E. micromeris are already closing.</p><!-- | + | |discussion=<p><i>Epithelantha bokei</i> is an obligate outcrosser. Its flowers tend to open in mid afternoon, when those of <i>E. micromeris</i> are already closing.</p><!-- |
| − | --><p>Epithelantha bokei is in the Center for Plant Conservation’s National Collection of Endangered Plants.</p> | + | --><p><i>Epithelantha bokei</i> is in the Center for Plant Conservation’s National Collection of Endangered Plants.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
| Line 36: | Line 37: | ||
-->{{#Taxon: | -->{{#Taxon: | ||
name=Epithelantha bokei | name=Epithelantha bokei | ||
| − | |||
|authority=L. D. Benson | |authority=L. D. Benson | ||
|rank=species | |rank=species | ||
| Line 51: | Line 51: | ||
|publication year=1969 | |publication year=1969 | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V4/V4_438.xml |
|subfamily=Cactaceae subfam. Cactoideae | |subfamily=Cactaceae subfam. Cactoideae | ||
|genus=Epithelantha | |genus=Epithelantha | ||
Latest revision as of 21:58, 5 November 2020
Plants unbranched (very rarely branched), appearing pure white or slightly yellowish, smooth, and shiny in general aspect. Stems flat-topped, disk-shaped, short cylindric, or cylindric, 2–5 cm diam. Spines (40–)50–90 per areole, in more than 3 superimposed series; mature lateral spine clusters uniformly white to creamy yellow, 2–2.5(–4) mm diam.; longest intact spines 4.5–7 mm; worn spines 0.1–2 mm. Flowers conspicuously exserted beyond longer spines at stem apex, 1–1.7 × 1–1.7 cm; inner tepals 13–21 per flower, 5–6(–9) × 1.5–2.3(–3) mm; stamens 20–40. 2n = 22.
Phenology: Flowering spring–early summer (May–Jun); fruiting summer–fall.
Habitat: Chihuahuan Desert on rocky, barren hills of sedimentary substrates
Elevation: 700[-1400] m
Distribution
Tex., Mexico (Coahuila).
Discussion
Epithelantha bokei is an obligate outcrosser. Its flowers tend to open in mid afternoon, when those of E. micromeris are already closing.
Epithelantha bokei is in the Center for Plant Conservation’s National Collection of Endangered Plants.
Selected References
None.