Difference between revisions of "Piperia transversa"

Suksdorf

Allg. Bot. Z. Syst. 12: 43. 1906.

Treatment appears in FNA Volume 26. Treatment on page 573. Mentioned on page 572, 577.
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|publication year=1906
 
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V26/V26_1168.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V26/V26_1168.xml
 
|subfamily=Orchidaceae subfam. Orchidoideae
 
|subfamily=Orchidaceae subfam. Orchidoideae
 
|tribe=Orchidaceae tribe Orchideae
 
|tribe=Orchidaceae tribe Orchideae

Revision as of 19:29, 24 September 2019

Plants 12–57 cm. Stems basally swollen above tuberoid, 0.7–4.5 mm diam. distal to leaves; bracts 3–15. Leaves prostrate; blade 6–19 × 1–4.5 cm. Inflorescences ± densely flowered, 3.5–32 cm; rachis ± length of peduncle; bracts 3–12 mm. Flowers ± white with green or yellow-green midveins, fragrance nocturnal, strong, clovelike; sepals 2.5–4.5 × 1–2 mm; dorsal sepal projecting forward between petals, oblong to lanceolate; lateral sepals reflexed-spreading, obliquely oblong-lanceolate; petals reflexed-spreading, oblique to falcate, oblong, 2–5 × 1–2 mm; lip straight to ± deflexed, oblong to ovate-elliptic, 2.2–5.3 × 1–2.5 mm; spur ± horizontal, straight, 7–12 mm; viscidia oblong, 0.5–0.7 × 0.2–0.3 mm; rostellum blunt. Capsules 4–13 mm. Seeds cinnamon brown. 2n = 42.


Phenology: Flowering late May–Aug.
Habitat: Conifer and mixed evergreen forest, oak woodlands, chaparral
Elevation: 0–2600 m

Distribution

V26 1168-distribution-map.jpg

B.C., Calif., Oreg., Wash.

Discussion

Piperia transversa is pollinated by geometrid moths (J. D. Ackerman 1977).

Selected References

None.

Lower Taxa

None.