Gentiana andrewsii  closed gentian; bottle gentian Gentianaceae GEAN; R (DeCandido 2001);



Gentiana (Accessed 4/2014).

Gentiana andrewsii is a perennial herb, to 1 m tall from a stout root crown with long, coarse roots, stems clustered, hairless, usually unbranched. 

Leaves opposite, stalkless, blade to 15 cm long, 4 cm wide, lance-shaped, pointed at both ends, margin hairy. 

Flowers blue above, base whitish, radially symmetrical, to 4 cm long, tubular, somewhat swollen, petal lobes remaining closed; stalkless, in clusters of 2-5 at top of stem; blooms and fruits July-Oct. Flowers self fertile but must be pollinated by bumblebees (Costelloe 1988). 

Fruit dry, a 2-parted capsule, seeds numerous 0.3 cm, broadly winged. 

Wetland status: FACW. 

Frequency in NYC: Very infrequent. 

Origin: Native. 

Habitat: Moist woods, meadows.