Piedmont-bedstraw - Galium pedemontanum
Other Names:
Cruciata pedemontana
Annual. Stems erect, simple or branched, 10–35 cm. Herbage hirsute with simple or stellate hairs. Leaves ovate to elliptic, 5–15 mm long, in whorls of 4. Inflorescence 2- to 3-flowered cymes, curled under the leaves; pedicels <1 mm long in fruit. Flowers corolla yellow, 4-lobed, 1 mm or less across. Mericarp <1 mm long, glabrous (
Lesica et al. 2012. Manual of Montana Vascular Plants. BRIT Press. Fort Worth, TX).