Difference between revisions of "Euphorbia cordifolia"
Sketch. Bot. S. Carolina 2: 656. 1824.
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|name=Chamaesyce cordifolia | |name=Chamaesyce cordifolia | ||
|authority=(Elliott) Small | |authority=(Elliott) Small | ||
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|hierarchy=Euphorbiaceae;Euphorbia;Euphorbia sect. Anisophyllum;Euphorbia cordifolia | |hierarchy=Euphorbiaceae;Euphorbia;Euphorbia sect. Anisophyllum;Euphorbia cordifolia | ||
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name=Euphorbia cordifolia | name=Euphorbia cordifolia | ||
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|authority=Elliott | |authority=Elliott | ||
|rank=species | |rank=species | ||
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|publication year=1824 | |publication year=1824 | ||
|special status=Endemic | |special status=Endemic | ||
− | |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/eaa6e58056e40c9ef614d8f47aea294977a1a5e9/coarse_grained_fna_xml/V12/V12_508.xml |
|genus=Euphorbia | |genus=Euphorbia | ||
|section=Euphorbia sect. Anisophyllum | |section=Euphorbia sect. Anisophyllum |
Revision as of 19:58, 16 December 2019
Herbs, annual, with taproot. Stems prostrate, occasionally mat-forming, 10–43 cm, glabrous. Leaves opposite; stipules usually distinct, occasionally connate at base, filiform, 1–1.2(–2.8) mm, usually glabrous, rarely pilose; petiole 0.4–1 mm, usually glabrous; blade ovate to oblong, 4.4–12 × 2.6–7.6 mm, base asymmetric, cordate to rounded, margins entire, apex rounded to mucronulate, surfaces glabrous; only midvein conspicuous. Cyathia solitary at distal nodes; peduncle 0.9–3 mm. Involucre campanulate, 1–1.3 × 1–1.3 mm, glabrous; glands 4, yellowish to pink, elliptic, 0.3–0.5 × 0.5–1 mm; appendages whitish to pink, sometimes drying red, elliptic to ovoid, 1.1–1.5 × 1.2–1.9 mm, distal margin entire, retuse, or erose. Staminate flowers 5–40. Pistillate flowers: ovary glabrous; styles 0.5–0.8 mm, 2-fid nearly entire length. Capsules ovoid, 2–3 mm diam., glabrous; columella 1.2–2.7 mm. Seeds gray or tan with dark brown mottling, ovoid, bluntly 3–4-angled in cross section, 1.8–2.1 × 1.2–1.4 mm, smooth to rugose.
Phenology: Flowering and fruiting summer–fall.
Habitat: Xeric oak-pine scrub, pine-barrens, sand barrens, sandy stream banks.
Elevation: 0–200 m.
Distribution
![V12 508-distribution-map.jpg](/w/images/a/a2/V12_508-distribution-map.jpg)
Ala., Ark., Fla., Ga., La., Miss., N.C., Okla., S.C., Tex.
Discussion
Euphorbia cordifolia is easily identified by its cordate to rounded leaf base and distinctive filiform stipules.
Selected References
None.