HABIT : An erect, annual, 20 - 200 cm high. |
STEM : Often winged in the upper part, base not pubescent. |
LEAVES : 5 - 8 x 1.5 - 2.5 cm glabrous, lanceolate, acute, never spathulate, main nerves 4 - 7 pairs, slender, petioles very small. |
INFLORESCENCE : Solitary or in axillary racemes. |
FLOWERS : 3 - 10 cm, pedicels very small, usually pubescent, bracts 0.2 cm long, linear, bracteoles smaller or absent.
Sepals 0.4 cm long, linear-lanceolate, corolla 1.2 - 2 cm long, bilipped, white, tube 6 mm long, slightly enlarged, below the limb, upper lip oblong, 2 - toothed at the apex, lower lip deeply 3 - toothed. Anther bearded at the base, filaments more or less hirsute, flattened.
Ovary glabrous, styles usually pubescent.
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FRUIT : Capsules 2 x 0.5 cm, when young slightly glandular - hairy, when mature glabrous, 12 - seeded, linear - oblong. |
SEEDS : Rugose, sub - quadrate, yellow or deep - brown. |
FLOWERING AND FRUITING TIME : May to October. |