Difference between revisions of "Crocanthemum georgianum"
in J. K. Small, Man. S.E. Fl., 879. 1933.
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Helianthemum georgianum | |name=Helianthemum georgianum | ||
|authority=Chapman | |authority=Chapman | ||
| + | |publication_title=Fl. South. U.S. ed. | ||
| + | |publication_place=3, 36. 1897 | ||
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|publication year=1933 | |publication year=1933 | ||
|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/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V6/V6_765.xml |
|genus=Crocanthemum | |genus=Crocanthemum | ||
|species=Crocanthemum georgianum | |species=Crocanthemum georgianum | ||
Revision as of 20:17, 24 September 2019
Herbs or subshrubs. Stems from caudices and elongate horizontal rootstocks, erect or spreading, (10–)15–30(–40) cm, stellate-tomentose. Leaves usually basal mat-forming or sometimes absent and cauline; petiole 1–2 mm; blade spatulate to oblanceolate, 10–28 × 5–11 mm, surfaces stellate-pannose, without simple hairs; cauline: petiole 1–3 mm; blade oblanceolate to narrowly elliptic, 20–40 × (2–)4.5–9(–12) mm, surfaces stellate-tomentose abaxially, stellate-pubescent adaxially, without simple hairs; lateral veins raised abaxially. Inflorescences terminal, racemose cymes; flowers (chasmogamous or cleistogamous) 2–7 per cyme, produced simultaneously. Pedicels 5–12 mm; bracts 1.2–5 × 0.3–1 mm. Chasmogamous flowers: outer sepals linear, 1.5–3.5 × 0.3–0.5 mm, inner sepals 3.6–6.6 × 3–4.5 mm, apex acute; petals obovate, 6–10(–12) × 4–8(–11) mm; capsules 3.8–5.7 × 3.2–4.5 mm, glabrous. Cleistogamous flowers: outer sepals linear, 1.4–2.2 × 0.3 mm, inner sepals ovate, 3–4.2 × 2.6–3.8 mm, apex acute; capsules 3–4.2 × 2.4–3.3 mm, glabrous.
Phenology: Flowering Apr–Jun.
Habitat: Dry, sandy oak-pine woods, turkey oak sandhills, stable maritime dunes, maritime woodlands
Elevation: 0–600 m
Distribution
Ala., Ark., Fla., Ga., La., Miss., N.C., Okla., S.C., Tex.
Discussion
Basal leaves occur often enough in Crocanthemum georgianum to be very useful for identification; in the eastern United States only C. carolinianum also regularly has basal leaves. Plants of maritime situations tend to be shorter than inland plants.
Selected References
None.