linear, lanceolate, ovate
green, pink, white
May - December
1.0 - 1.5
Similar to Arnoglossum plantagineum which is more common in the northern part of Louisiana. Arnoglossum ovatum has lanceolate basal and lower stem leaves and phyllaries that are not keeled while A. plataginea has ovate to rhombic-ovate basal and lower stem leaves and phyllaries that are wing-keeled.
Clumps may be divided in the fall or early winter. Seed germination is reported to improve with cold/moist stratification (Steffen 1997). Seeds average approximately 190,000/lb.
Charles Robertson, 1928: (Insects suck nectar; observations are from Robertson) Bees (short-tongued) Halictidae (Sphecodini): Sphecodes dichroa Wasps Tiphiidae: Myzinum quinquecincta Butterflies Riodinidae: Lycaena hyllus Plant Bugs Lygaeidae: Lygaeus turcicus
Ovate-leaved forms are most common in bay galls of southeast Louisiana while the lance-leaved forms are most common in southwest Louisiana prairies (Gandhi and Thomas 1989). This species is a prairie indicator.
Found in prairie.