Platanthera tipuloides var. behringiana

(Rydberg) Hultén

Ark. Bot., n. s. 7: 35. 1968.

Basionym: Limnorchis behringiana Rydberg Bull. Torrey Bot. Club 28: 620.  1901
Synonyms: Habenaria behringiana (Rydberg) Ames
Treatment appears in FNA Volume 26. Treatment on page 556.

Plants 7.5–18 cm. Leaves 1–2, ascending on base or middle of stem, rather abruptly reduced to 1–2 bracts distally; blade lanceolate to ovatelanceolate or elliptic-oblong, 2.5–8 × 0.8–2 cm. Spikes rather dense. Flowers resupinate, rather conspicuous, yellowish; corolla commonly richer yellow than more greenish calyx; lateral sepals spreading, slightly reflexed; petals ovate to broadly lance-falcate, margins entire; lip descending, elliptic, elliptic-oblong, or elliptic-lanceolate, without basal thickening, 4–8 × 1–3 mm, margins entire; spur slenderly cylindric to clavate, 9–13 mm; rostellum lobes directed downward, closely spaced, parallel, very swollen adjacent to orifice of spur, small, obscure, rounded; pollinaria appearing straight; pollinia apparently remaining enclosed in anther sacs; viscidia oblong, perhaps varying to orbiculate; ovary stout, mostly 6–7 mm.


Phenology: Flowering Jul–Aug.
Habitat: Exposed, wet tundra
Elevation: 0–200 m

Distribution

V26 1132-distribution-map.jpg

Alaska (w Aleutian Islands), Asia (Komandorskiye Islands)

Discussion

Only a few specimens of Platanthera tipuloides var. behringiana have been seen, and the description is consequently somewhat imprecise.

Selected References

None.

Lower Taxa

None.
self-pollination +
Charles J. Sheviak +
(Rydberg) Hultén +
Limnorchis behringiana +
indehiscent +
not +  and articulate +
conduplicate +  and plicate +
2.5 cm25 mm <br />0.025 m <br /> (8 cm80 mm <br />0.08 m <br />) +
lanceolate +  and ovatelanceolate or elliptic-oblong +
0.8 cm8 mm <br />0.008 m <br /> (2 cm20 mm <br />0.02 m <br />) +
Alaska (w Aleutian Islands) +  and Asia (Komandorskiye Islands) +
0–200 m +
3-merous +, sessile +  and pedicellate +
conspicuous +
ellipsoid;cylindric +
Exposed, wet tundra +
lateral +  and terminal +
reflexed +  and spreading +
petiolate +, sessile +  and simple +
duplicate +, convolute +, whorled +, opposite +, distichous +  and alternate +
1 (?) +  and 2 (?) +
reduced +
descending +
elliptic-lanceolate +, elliptic-oblong +  and elliptic +
larger +
0.4 cm4 mm <br />0.004 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
entire +  and fringed +
1mm +  and 3mm +
differing in form and color +
0.6 cm6 mm <br />0.006 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
1-many-flowered +  and cymose +
pendent +  and erect +
ovate;broadly lance-falcate +
Flowering Jul–Aug. +
Ark. Bot., n. s. +
aerial +  and subterranean +
lancefusiform +
slender +
downward +  and directed +
rounded +  and swollen +
minute +
free +, distinct +, adnate +  and connate +
foliaceous +
not +  and alike +
slenderly cylindric +  and clavate +
0.9 cm9 mm <br />0.009 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
leafless +  and leafy +
pendent +  and erect +
proliferous +
thickened +  and stout +
concave +  and convex +
Habenaria behringiana +
Platanthera tipuloides var. behringiana +
Platanthera tipuloides +
variety +
orbiculate +  and oblong +
aquatic +, lithophytic +, terrestrial +  and epiphytic +
saprophytic +, photosynthetic +  and mycotrophic +
erect to somewhat +