Piperia cooperi

(S. Watson) Rydberg

Bull. Torrey Bot. Club 28: 636. 1901.

Illustrated
Basionym: Habenaria cooperi S. Watson Proc. Amer. Acad. Arts 12: 276. 1877
Synonyms: Piperia lancifolia Rydberg
Treatment appears in FNA Volume 26. Mentioned on page 573, 575, 576.

Plants 14–90 cm. Stems attenuate toward tuberoid, fistulous, 1–8 mm diam. distal to leaves; bracts 3–12. Leaves erect-spreading; blade 9–20 (–27) × 1.5–3.1 cm. Inflorescences sparsely flowered, (3–) 10–40 (–56) cm; rachis at least as long as peduncle; bracts 3–16 mm. Flowers green, fragrance nocturnal, honeylike; sepals 2.3–4 × 1.2–2.5 mm; dorsal sepal spreading to recurved, oblong to ovate; lateral sepals lanceolate to oblong; petals projecting to ± erect-spreading, asymmetrically triangular-ovate, 2.6–3.8 × 1.2–2 mm; lip deflexed, triangular-ovate, 1.6–4 × 1.6–3.5 mm; spur horizontal to deflexed, narrowly cylindric, 3–6 (–9) mm; viscidia ovate to oblong, 0.35–0.6 × 0.2–0.4 mm; rostellum blunt. Capsules 4–12 mm. Seeds blackish brown.


Phenology: Flowering Mar–May.
Habitat: Chaparral and coastal scrub
Elevation: 0–1500 m

Distribution

V26 1176-distribution-map.jpg

Calif., Mexico (Baja California)

Discussion

Piperia cooperi and P. michaelii have very similar flowers, and their blackish brown seeds are unique in the genus. A few specimens from the Santa Monica Mountains, California, described as P. lancifolia Rydberg, have flowers with spurs of intermediate length (6–9 mm).

Selected References

None.

Lower Taxa

None.
... more about "Piperia cooperi"
self-pollination +
James D. Ackerman +  and Randall Morgan +
(S. Watson) Rydberg +
Habenaria cooperi +
indehiscent +
simple +  and sessile +
conduplicate +  and plicate +
20 cm200 mm <br />0.2 m <br /> (27 cm270 mm <br />0.27 m <br />) +
9 cm90 mm <br />0.09 m <br /> (20 cm200 mm <br />0.2 m <br />) +
lanceolate +  and oblanceolate +
1.5cm;3.1cm +
0.4 cm4 mm <br />0.004 m <br /> (?) +  and 1.2 cm12 mm <br />0.012 m <br /> (?) +
inconspicuous +
parallel +  and close +
Calif. +  and Mexico (Baja California) +
spreading +  and recurved +
0–1500 m +
honeylike +
ellipsoid;sausage-shaped +
Chaparral and coastal scrub +
40 cm400 mm <br />0.4 m <br /> (56 cm560 mm <br />0.56 m <br />) +
lateral +  and terminal +
10 cm100 mm <br />0.1 m <br /> (40 cm400 mm <br />0.4 m <br />) +
lanceolate +  and oblong +
petiolate +, sessile +  and simple +
duplicate +, convolute +, whorled +, opposite +, distichous +  and alternate +
ephemeral +
cauline +  and basal +
2 (?) +  and 6 (?) +
reduced +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
triangular-ovate +
larger +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
differing in form and color +
1-many-flowered +  and cymose +
pendent +  and erect +
0.26 cm2.6 mm <br />0.0026 m <br /> (0.38 cm3.8 mm <br />0.0038 m <br />) +
projecting +  and more or less erect-spreading +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Flowering Mar–May. +
Bull. Torrey Bot. Club +
spicate +  and many-flowered +
aerial +  and subterranean +
minute +
free +, distinct +, adnate +  and connate +
foliaceous +
not +  and alike +
0.12 cm1.2 mm <br />0.0012 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Illustrated +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
horizontal +  and deflexed +
cylindric +
0.3 cm3 mm <br />0.003 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
pendent +  and erect +
proliferous +
attenuate +
thickened +  and stout +
Piperia lancifolia +
Piperia cooperi +
species +
ellipsoid-ovoid +
0.035 cm0.35 mm <br />3.5e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
ovate +  and oblong +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
aquatic +, lithophytic +, terrestrial +  and epiphytic +
saprophytic +, photosynthetic +  and mycotrophic +