Iakttagelse

Solanum virginianum L.

iakttagen av

Asim Kumar MishraAsim Kumar Mishra

5 juli 2022

Plant body Thorny Nightshade is a herb which is erect, sometimes woody at base, 50–70 cm tall, copiously armed with sturdy, needlelike, broad-based prickles 0.5–2 cm × 0.5–1.5 mm. Leaves Leaves are unequal paired; stalk 2–3.5 cm, prickly; leaf blade ovate-oblong, 4–9 × 2–4.5 cm, prickly along veins, margin usually 5–9-lobed or pinnately parted, lobes unequal, sinuate, apex acute. Inflorescence Inflorescence elongate racemes 4–7 cm. Sepal tube is bell-shaped 1 cm in diameter. Flowers Flowers blue-purple, 1.4–1.6 × 2.5 cm; petals ovate-deltate, 6–8 mm, densely pubescent with stellate hairs. Filaments 1 mm; anthers 8 mm. Style 1 cm.