Linum medium yellow flax Linaceae LIME; R (DeCandido 2001, possibly extinct);


Linum medium.Digital Atlas of Virginia

Linum medium.© Gary P. Fleming.Atlas of the Virginia Virginia Botanical Associates, Blacksburg (Accessed 4/2014).

Linum medium is a perennial herb 20-70 cm tall, unbranched up to inflorescence, plant waxy, pale green. 

Leaves stalkless (sessile), opposite below, 1-2.5 cm long, 0.2-0.5 cm wide, smaller above, narrowly lance-shaped or inversely lance-shaped (oblanceolate), tips pointed, veins obscure. 

Flowers yellow, radially symmetrical, petals 5, 0.4-0.8 cm long, heart-shaped, widest at rounded to notched tip, narrowed at base (clawed), soon deciduous, sepals 5, overlapping, lance-shaped, 0.2-0.3 cm long, persistent in fruit, stamens 5, ovary superior, 5-parted; inflorescence branches stiffly ascending; blooms June-Aug. 

Fruit dry, a rounded capsule, flattened and often purple above, 0.2 cm wide, partly enclosed in old purplish sepals; splitting into 10 segments, each releasing 1 flattened seed; fruits July-Sept. (Hough 1983). 

Wetland status: FACU. 

Frequency in NYC: Rare (NYS S2 T). Possibly extirpated in NYC.

Origin: Native. 

Habitat: Dry, sterile soil, open habitats or woodlands.