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Published In: Botanical Register; consisting of coloured . . . 2:t. 148. 1816. (Bot. Reg.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 7/9/2009)
Acceptance : Accepted
Project Data     (Last Modified On 7/9/2009)
Status: Native

 

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1. Pogonia ophioglossoides (L.) Ker Gawl. (rose pogonia, snake mouth)

Pl. 116 b, c; Map 480

Plants with short rhizomes. Flowering stems 8–35 cm long, with 1 or 2 flowers at the tip. Leaves 1 or 2, a leaflike bract also subtending each flower, green, herbaceous, glabrous, the leaf near the middle of the flowering stem, 3–9 cm long, sessile, lanceolate to narrowly elliptic, the basal leaf rarely produced, 8–15 cm long, petioled. Sepals 17–22 mm long, oblanceolate, pink. Lateral petals 17–22 mm long, oblanceolate to elliptic, broader than the sepals, pink. Lip 15–20 mm long oblanceolate, pink, the margins fringed, the middle of the inner surface bearded with dense yellow hairs turning into a pink, fringed crest near the tip. Column 8–10 mm long, pink. Stamen 1, staminodes lacking. Capsules erect, 12–15 mm long, elliptic in outline, strongly ribbed. 2n=18. June–July.

Known only from single sites in Reynolds and Shannon Counties (eastern U.S. west to Texas, Canada). Restricted to fens, particularly in marly, flat areas.

This rare orchid is pollinated by various bees and apparently deceives the insects: the beard of yellow hairs on the lips mimics the appearance of stamens. The flowers sometimes emit a delicate raspberry‑like fragrance. The species apparently responds well to fire management of the fens in which it occurs. For many years it was known from only a single site, until fen restoration by The Nature Conservancy resulted in its appearance at the second station. It should be searched for at other suitable sites in the area following prescribed burns. It should be noted that elsewhere in its range, rose pogonia also occurs in sandy, moist, acidic areas and bogs.

 


 

 
 
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