Difference between revisions of "Manfreda virginica"
Contr. U.S. Natl. Herb. 8: 19. 1903.
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|name=Agave virginica | |name=Agave virginica | ||
|authority=Linnaeus | |authority=Linnaeus | ||
+ | |rank=species | ||
|publication_title=Sp. Pl. | |publication_title=Sp. Pl. | ||
|publication_place=1: 323. 1753 | |publication_place=1: 323. 1753 | ||
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|name=Agave lata | |name=Agave lata | ||
|authority=Shinners | |authority=Shinners | ||
+ | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Agave tigrina | |name=Agave tigrina | ||
|authority=(Engelmann) Cory | |authority=(Engelmann) Cory | ||
+ | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Agave virginica var. tigrina | |name=Agave virginica var. tigrina | ||
|authority=Engelmann | |authority=Engelmann | ||
+ | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Manfreda tigrina | |name=Manfreda tigrina | ||
|authority=(Shinners) Shinners | |authority=(Shinners) Shinners | ||
+ | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Manfreda virginica subsp. lata | |name=Manfreda virginica subsp. lata | ||
|authority=(Shinners) O’Kennon, Diggs & Lipscomb | |authority=(Shinners) O’Kennon, Diggs & Lipscomb | ||
+ | |rank=subspecies | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Manfreda virginica var. tigrina | |name=Manfreda virginica var. tigrina | ||
|authority=(Engelmann) Rose | |authority=(Engelmann) Rose | ||
+ | |rank=variety | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Polianthes lata | |name=Polianthes lata | ||
− | |authority= | + | |authority= |
+ | |rank=species | ||
}} {{Treatment/ID/Synonym | }} {{Treatment/ID/Synonym | ||
|name=Polianthes virginica | |name=Polianthes virginica | ||
− | |authority= | + | |authority= |
+ | |rank=species | ||
}} | }} | ||
|hierarchy=Agavaceae;Manfreda;Manfreda virginica | |hierarchy=Agavaceae;Manfreda;Manfreda virginica | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Manfreda virginica | name=Manfreda virginica | ||
− | |||
|authority=(Linnaeus) Salisbury ex Rose | |authority=(Linnaeus) Salisbury ex Rose | ||
|rank=species | |rank=species | ||
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|publication year=1903 | |publication year=1903 | ||
|special status= | |special status= | ||
− | |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/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V26/V26_970.xml |
|genus=Manfreda | |genus=Manfreda | ||
|species=Manfreda virginica | |species=Manfreda virginica |
Revision as of 21:54, 16 December 2019
Rhizomes cylindrical. Leaves spreading, semisucculent, 8–40(–47) × 0.5–6.5(–9.3) cm; blade usually spotted or speckled with maroon, shallowly channeled, oblanceolate to linear-lanceolate, margins entire or with cartilaginous prickles. Scape 4.5 13.8 dm. Inflorescences 14–68 cm, bearing 10–61 closely spaced flowers. Flowers sessile or pedicellate, nearly erect, slender, with sweet, fruity odor; tepals green; perianth tube 0.9–2.3 × 0.3–0.6 cm; limb lobes erect, 0.4–0.8 cm; filaments inserted near base of tube, bent in bud, exceeding tube by 1.2–3.1 cm; ovary 4–10 mm; style shorter than stamens, exceeding tube by 0.6–2.3 cm; stigma white, 3-lobed, lobes reflexed. Capsules globose, 1–1.7 cm diam. 2n = 60.
Phenology: Flowering summer–late summer, rarely in spring; fruiting late summer–early fall.
Habitat: Glades and open woods, on rocky and sandy soils, often on slopes
Elevation: 0–600 m
Distribution
Ala., Ark., Fla., Ga., Ill., Ind., Ky., La., Miss., Mo., N.C., Ohio, Okla., S.C., Tenn., Tex., Va., W.Va., Mexico (Nuevo León, Tamaulipas).
Discussion
Leaf shape and size in Manfreda virginica vary with soil type, amount of shade, length of cold period, and position of leaf in the rosette. Speckles and spots occur frequently on some leaves in most populations, and some authors have used the informal designation “forma tigrina” for such variants. Pollination is primarily by sphinx moths (S. E. Verhoek 1978).
Selected References
None.