Blunt-leaved Rein Orchid
Platanthera obtusata
Summary 2
Platanthera obtusata, common name blunt-leaved orchid or small northern bog orchid, is a small species of orchid in the genus Platanthera. It widespread across much of the colder regions of the Northern Hemisphere, though rare in some parts of its range. Two subspecies are recognized:
Description 3
Plants 5.5–35 cm. Leaves 1(–2, rarely), spreading-ascending on base of stem; bracts 0(–1, rarely); blade linear-oblanceolate, elliptic, or broadly obovate, 3.5–15 × 0.8–5 cm. Spikes lax. Flowers resupinate, not showy, greenish white to yellowish green; corolla commonly whiter than calyx; lateral sepals reflexed; petals rhombic, lanceolate-falcate, margins entire; lip descending, linear, narrowly lance-rhombic, or linear-hastate, with median basal thickening, unlobed, 2.5–8(–10) × less than 1–2 mm, margins entire; spur slenderly conic, 3–8(–10) mm; rostellum lobes directed forward, wide-spreading, rounded-angular; pollinaria straight; pollinia remaining enclosed in anther sacs; viscidia orbiculate; ovary rather slender to stout, mostly 3–10 mm. 2n = 42, 63 (American, as Habenaria obtusata), 126 (Eurasian, as Habenaria obtusata).
Sources and Credits
- (c) Jason Hollinger, some rights reserved (CC BY), http://www.flickr.com/photos/7147684@N03/3816795532
- Adapted by bpff from a work by (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Platanthera_obtusata
- (c) Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA, some rights reserved (CC BY-NC-SA), http://eol.org/data_objects/19830324
More Info
- iNat taxon page
- Biodiversity Heritage Library
- BOLD Systems BIN search
- eFloras.org
- Flora of North America (beta)
- Global Biodiversity Information Facility (GBIF)
- Go Botany
- HOSTS - a Database of the World's Lepidopteran Hostplants
- IPNI (with links to POWO, WFO, and BHL)
- NatureServe Explorer 2.0
- OregonFlora.org
- SEINet Symbiota portals
- Tropicos
- USDA PLANTS database
- VASCAN by Canadensys
- World Flora Online
