Difference between revisions of "Euphorbia bicolor"
Boston J. Nat. Hist. 5: 233. 1845.
FNA>Volume Importer |
imported>Volume Importer |
||
| (6 intermediate revisions by 2 users not shown) | |||
| Line 28: | Line 28: | ||
|elevation=100–200 m. | |elevation=100–200 m. | ||
|distribution=Ark.;La.;Okla.;Tex. | |distribution=Ark.;La.;Okla.;Tex. | ||
| − | |discussion=<p>Euphorbia bicolor is similar in appearance to E. marginata but can be distinguished by its linear to narrowly oblanceolate bracts and the presence of hairs on all parts of the plant.</p> | + | |discussion=<p><i>Euphorbia bicolor</i> is similar in appearance to <i>E. marginata</i> but can be distinguished by its linear to narrowly oblanceolate bracts and the presence of hairs on all parts of the plant.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
| Line 37: | Line 37: | ||
-->{{#Taxon: | -->{{#Taxon: | ||
name=Euphorbia bicolor | name=Euphorbia bicolor | ||
| − | |||
|authority=Engelmann & A. Gray | |authority=Engelmann & A. Gray | ||
|rank=species | |rank=species | ||
| Line 52: | Line 51: | ||
|publication year=1845 | |publication year=1845 | ||
|special status=Endemic | |special status=Endemic | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V12/V12_353.xml |
|genus=Euphorbia | |genus=Euphorbia | ||
|section=Euphorbia sect. Alectoroctonum | |section=Euphorbia sect. Alectoroctonum | ||
Latest revision as of 20:14, 5 November 2020
Herbs, annual, with taproot. Stems erect, unbranched or branched, 40–100 cm, pilose. Leaves alternate; stipules 0.3–0.4 mm; petiole 0.3–1 mm, pilose; blade narrowly elliptic to lanceolate, 37–54 × 7–17 mm, base cuneate to slightly rounded, margins entire, apex aristate or acute, surfaces pilose; venation obscure, only midvein conspicuous. Cyathia in terminal pleiochasia dichasial and pleiochasial bracts linear to narrowly oblanceolate, with conspicuous white margins; peduncle 1.2–3 mm, densely pilose. Involucre campanulate, 2.7–3.5 × 2.2–3 mm, densely pilose; glands 4–5, green to pale greenish yellow, reniform, 0.6–0.7 × 1.4–1.6 mm; appendages white, obdeltate to orbiculate, 1.4–2.5 × 1.7–3 mm, dentate to erose. Staminate flowers 30–70. Pistillate flowers: ovary pilose; styles 0.7–1.2 mm, 2-fid 1/2 length. Capsules depressed-ovoid, 3.5–7.5 × 6–8.7 mm, densely pilose; columella 4.5–5.5 mm. Seeds tan to brown, ovoid, 4.3–4.5 × 3.7–3.9 mm, alveolate; caruncle absent.
Phenology: Flowering and fruiting summer–fall.
Habitat: Prairies, blackland (calcareous) prairies, pastures and clearings in former blackland prairie areas, roadside clearings.
Elevation: 100–200 m.
Distribution
Ark., La., Okla., Tex.
Discussion
Euphorbia bicolor is similar in appearance to E. marginata but can be distinguished by its linear to narrowly oblanceolate bracts and the presence of hairs on all parts of the plant.
Selected References
None.