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 ovate-lanceolate 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.