Gentianella tenella ssp. tenella

General:
Annual herb from a taproot; stems ascending to erect, several, branched or simple, 4-15 cm tall.

Leaves:
Basal leaves a pair or more numerous in a rosette, egg-shaped to elliptic; stem leaves opposite, lanceolate to elliptic, 4-15 mm long, 1-4 mm wide, not joined (except for the lower ones).

Flowers:
Inflorescence of solitary, terminal, long-stalked flowers, the stalks longer than the adjacent internodes; corollas blue to white, 8-15 mm long, tubular, 4-lobed (sometimes 5-lobed), the lobes each bearing a pair of fringed scales; calyces 4-10 mm long, 4- to 5- lobed, the lobes 1/2 the length of the corollas or longer; stamens shorter than the corolla tubes; anthers 0.8-1.0 mm long.

Fruits:
Capsules, narrowly egg-shaped; seeds egg-shaped, slightly flattened, wingless, nearly glabrous, yellow to light brown, 0.6-0.8 mm long.

Source:  The Illustrated Flora of British Columbia