Difference between revisions of "Oenothera sect. Contortae"

W. L. Wagner

Ann. Missouri Bot. Gard. 73: 478. 1986.

Treatment appears in FNA Volume 10.
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|publication year=1986
 
|publication year=1986
 
|special status=
 
|special status=
|source xml=https://xjsachs2@bitbucket.org/aafc-mbb/fna-data-curation.git/src/1f4bf54ae2f7dbd5376c45b4fe1b388e15b53086/coarse_grained_fna_xml/V10/V10_111.xml
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|source xml=https://xjsachs2@bitbucket.org/aafc-mbb/fna-data-curation.git/src/e39f0e846f172941159b2045254d62d10d9823f6/coarse_grained_fna_xml/V10/V10_111.xml
 
|subfamily=Onagraceae subfam. Onagroideae
 
|subfamily=Onagraceae subfam. Onagroideae
 
|tribe=Onagraceae tribe Onagreae
 
|tribe=Onagraceae tribe Onagreae

Revision as of 10:28, 9 May 2022

Herbs perennial, acaulescent; from a thick, fleshy taproot. Leaves in a basal rosette, 2.6–4(–6.2) cm; blade margins pinnately lobed, lateral lobes often greatly reduced. Inflorescences solitary flowers in axils of leaves. Flowers opening near sunset, with strong, sweet scent; buds erect, quadrangular, without free tips; floral tube 27–45(–55) mm; sepals separating individually or in pairs; petals intensely yellow, fading deep salmon red, obcordate; stigma deeply divided into 4 linear lobes. Capsules moderately thin and flexible, lanceoloid, often contorted and twisted, 4-angled, gradually tapering to a long, slender, sterile apex, dehiscent 2/3–3/4 their length; sessile. Seeds numerous, in 1 row per locule, often forming 2 rows near base of capsule, obovoid, surface coarsely rugose, with turgid and collapsed papillae. 2n = 14.

Distribution

w United States.

Discussion

Species 1.

Selected References

None.