Difference between revisions of "Cleistes bifaria"

(Fernald) Catling & Gregg

Lindleyana 7: 65. 1992.

Common names: Smaller spreading pogonia
Basionym: Cleistes divaricata var. bifaria Fernald Rhodora 48: 186, plate 1048. 1946
Treatment appears in FNA Volume 26. Mentioned on page 511.
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V26/V26_1041.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V26/V26_1041.xml
 
|subfamily=Orchidaceae subfam. Vanilloideae
 
|subfamily=Orchidaceae subfam. Vanilloideae
 
|tribe=Orchidaceae tribe Vanilleae
 
|tribe=Orchidaceae tribe Vanilleae

Revision as of 20:44, 16 December 2019

Plants (12–)15–46(–64) cm (in flower). Leaves: blades on flowering stems, (2.5–)45–145 × (4–)6–25 mm. Flowers: sepals 24–55 × (2–)3–5 mm; petals 21–36 × 6–10(–12) mm; lip 21–33(–38) × 13–16 mm, central keel relatively thick, 2.4–2.6 mm wide, very slightly grooved, groove 0.3 mm deep and verrucose or braided with 5–7 discontinuous ridges; column 13–19 mm. Capsules (9–)27–41(–81) × (3.2–)4–8(–8.5) mm. 2n = 18.


Phenology: Flowering Apr–May (coastal plain) –Jul (mountains).
Habitat: Savannas, meadows, openings in oak or pine woodlands, mountain habitat often xeric, in acidic soil
Elevation: 0–1000 m

Distribution

V26 1041-distribution-map.jpg

Ala., Fla., Ga., Ky., La., Miss., N.C., S.C., Tenn., Va., W.Va.

Discussion

A station in Barbour County, West Virginia, is 240 km north of other stations and may be a result of introduction (K. B. Gregg 1989).

Cleistes bifaria has been treated as a variety of the following species; it is readily separated by its relatively short column, which is correlated with the relatively small size of other floral parts, and differences in lip keel. It is, to a large extent, isolated from the following taxon by geographic distribution and flowering time where their distributions overlap (P. M. Catling and K. B. Gregg 1992).

Lower Taxa

None.
... more about "Cleistes bifaria"
Katharine B. Gregg +  and Paul M. Catling +
(Fernald) Catling & Gregg +
Cleistes divaricata var. bifaria +
Smaller spreading pogonia +
Ala. +, Fla. +, Ga. +, Ky. +, La. +, Miss. +, N.C. +, S.C. +, Tenn. +, Va. +  and W.Va. +
0–1000 m +
Savannas, meadows, openings in oak or pine woodlands, mountain habitat often xeric, in acidic soil +
Flowering Apr–May (coastal plain) –Jul (mountains). +
gregg1989a +
Cleistes bifaria +
Cleistes +
species +