Piperia elegans

(Lindley) Rydberg

Bull. Torrey Bot. Club 28: 270 1901.

IllustratedEndemic
Basionym: Platanthera elegans Lindley Gen. Sp. Orchid. Pl., 285. 1835
Treatment appears in FNA Volume 26. Treatment on page 573. Mentioned on page 559, 570, 574.
Revision as of 04:26, 30 July 2020 by imported>Volume Importer
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Plants 12–73 (–100) cm. Stems swollen at base (rarely attenuate), 2–12 mm diam. distal to leaves; bracts (4–) 12–37. Leaves prostrate; blade 6–20 (–38) × 1–9 cm. Inflorescences usually densely flowered, cylindric, 2.5–40 cm; rachis shorter than peduncle; bracts 6–24 mm. Flowers mostly white, fragrance strong at night; sepals white with green midvein, 3–7 × 1.6–3 mm; dorsal sepal ovate to oblong; lateral sepals usually widespreading, ovate-elliptic to oblong-lanceolate; petals spreading, recurved, straight, ovate to oblong-lanceolate, (3–) 4–6 × 1.5–2.5 mm; lip recurved, pale greenish to white, triangular-lanceolate to lanceolate, 2.5–7 × 1.5–3.5 mm; spur usually deflexed, curved, (3–) 7–14 mm; viscidia 0.4–1 × 0.15–0.5 mm; rostellum blunt. Capsules 5–12 mm. Seeds cinnamon brown. 2n = 42.

Discussion

Subspecies 2 (2 in the flora).

[Key to subspecies contained in key to species.—Ed.]

Selected References

None.

... more about "Piperia elegans"
self-pollination +
James D. Ackerman +  and Randall Morgan +
(Lindley) Rydberg +
Platanthera elegans +
indehiscent +
simple +  and sessile +
conduplicate +  and plicate +
20 cm200 mm <br />0.2 m <br /> (38 cm380 mm <br />0.38 m <br />) +
6 cm60 mm <br />0.06 m <br /> (20 cm200 mm <br />0.2 m <br />) +
lanceolate +  and oblanceolate +
1 cm10 mm <br />0.01 m <br /> (9 cm90 mm <br />0.09 m <br />) +
0.6 cm6 mm <br />0.006 m <br /> (2.4 cm24 mm <br />0.024 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (?) +  and 1.2 cm12 mm <br />0.012 m <br /> (?) +
inconspicuous +
parallel +  and close +
w North America +
ellipsoid;sausage-shaped +
lateral +  and terminal +
2.5 cm25 mm <br />0.025 m <br /> (40 cm400 mm <br />0.4 m <br />) +
ovate-elliptic +  and oblong-lanceolate +
petiolate +, sessile +  and simple +
duplicate +, convolute +, whorled +, opposite +, distichous +  and alternate +
ephemeral +
cauline +  and basal +
2 (?) +  and 6 (?) +
reduced +
pale greenish +  and white +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
triangular-lanceolate +  and lanceolate +
larger +
0.15 cm1.5 mm <br />0.0015 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 +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
straight +
recurved +  and spreading +
ovate;oblong-lanceolate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Bull. Torrey Bot. Club +
spicate +  and many-flowered +
aerial +  and subterranean +
cinnamon brown +
minute +
free +, distinct +, adnate +  and connate +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
foliaceous +
not +  and alike +
0.16 cm1.6 mm <br />0.0016 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Illustrated +  and Endemic +
0.3 cm3 mm <br />0.003 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
clavate +  and filiform +
0.7 cm7 mm <br />0.007 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
pendent +  and erect +
proliferous +
swollen +
thickened +  and stout +
Piperia elegans +
species +
ellipsoid-ovoid +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
round +  and oblong +
0.015 cm0.15 mm <br />1.5e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
73 cm730 mm <br />0.73 m <br /> (100 cm1,000 mm <br />1 m <br />) +
aquatic +, lithophytic +, terrestrial +  and epiphytic +
saprophytic +, photosynthetic +  and mycotrophic +