Difference between revisions of "Trillium persistens"
Rhodora 73: 244. 1971.
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|place=73: 244. 1971 | |place=73: 244. 1971 | ||
|year=1971 | |year=1971 | ||
| + | }} | ||
| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=C | ||
| + | |label=Conservation concern | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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|distribution=Ga.;S.C. | |distribution=Ga.;S.C. | ||
|discussion=<p>Of conservation concern.</p><!-- | |discussion=<p>Of conservation concern.</p><!-- | ||
| − | --><p>Listed as a U.S. endangered species, Trillium persistens has appeared as such on a postage stamp. The species is very rare and known only from an approximately four-square-mile area at the head of Tallulah Gorge in Georgia and South Carolina.</p> | + | --><p>Listed as a U.S. endangered species, <i>Trillium persistens</i> has appeared as such on a postage stamp. The species is very rare and known only from an approximately four-square-mile area at the head of Tallulah Gorge in Georgia and South Carolina.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Trillium persistens | name=Trillium persistens | ||
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|authority=W. H. Duncan | |authority=W. H. Duncan | ||
|rank=species | |rank=species | ||
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|publication title=Rhodora | |publication title=Rhodora | ||
|publication year=1971 | |publication year=1971 | ||
| − | |special status= | + | |special status=Endemic;Conservation concern |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V26/V26_108.xml |
|genus=Trillium | |genus=Trillium | ||
|subgenus=Trillium subg. Trillium | |subgenus=Trillium subg. Trillium | ||
Latest revision as of 21:11, 5 November 2020
Rhizomes horizontal to erect, short, praemorse. Scapes 1–2, round in cross section, 2–3 dm, slender, glabrous. Bracts horizontal to drooping distally, sessile; blade 3–5-veined, ovate-lanceolate to lanceolate, 3–8.5+ × 1.5–3.5 cm, adaxial surface faintly glossy, rarely with ± 2 mm, winged, petiolelike base, apex acuminate. Flower opening above bracts; sepals spreading, green, elliptic to narrowly ovate, 11–22 × 5–6 mm, thin-textured, margins entire, apex acute; petals erect proximally, spreading distally, white, fading to deep pink with inverted V-shaped basal portion remaining white, veins not engraved, linear-elliptic to occasionally linear, 2–3.5 × 0.5–1 cm, thin-textured, margins undulate at least in distal portion, apex acute; stamens prominent, erect to divergent, straight, 9–14 mm; filaments ± equaling anthers; anthers straight, yellow or white, dehiscence introrse; connective barely longer than anther sacs; ovary white or greenish white, obovate, very sharply 6-angled, 2.5–6 mm; style 2–6 mm; stigmas erect, slightly divergent at tip, delicate, not lobed, shortly connate basally, uniformly thin; pedicel erect or slightly leaning, 1–3 cm, 1/4–1/2 bract length at anthesis. Fruits baccate, greenish white, 6-angled, pulpy, not juicy.
Phenology: Flowering spring (early Mar–mid Apr).
Habitat: Humus soils in mixed deciduous-pine woodlands, along stream flats and at edges of Rhododendron thickets, occasionally in open Vaccinium-filled clearings
Elevation: 50 m
Discussion
Of conservation concern.
Listed as a U.S. endangered species, Trillium persistens has appeared as such on a postage stamp. The species is very rare and known only from an approximately four-square-mile area at the head of Tallulah Gorge in Georgia and South Carolina.
Selected References
None.