Common name: Erect Hygrophila
Botanical name: Hygrophila ringens Family: Acanthaceae (Barleria family)
Synonyms: Hygrophila erecta
Erect Hygrophila is an erect or ascending annual herb,
growing up to 1 m tall. Stem roots at the lower nodes. Leaves are
arranged decussately opposite, simple, linear-oblong to elliptical-oblong
or elliptical-obovate, 1-16 x 0.5-5 cm, narrowing into petiole at base.
Margin is entire
to wavy and irregularly marked with cystoliths. Stipules are absent.
Inflorescence is a dense axillary cluster and conspicuously bracteate.
Flowers are bisexual. The sepal is 0.6-1.2 cm long and with unequal linear-
lance-shaped lobes. The petal is with ventricose, .7-1 cm long hairy tube,
2-lipped where the upper lip is about 5 mm long and divided into 2, while
the lower lip is about 5 mm long and pale violet-blue or whitish. There
are 4 stamens, below the middle of the petal tube. Fruit is a linear-
oblong to linear-ovoid, 1-2 cm long, many-seeded capsule. Erect Hygrophila
has a wide area of distribution: from India and Sri Lanka to South-East
Identification credit: Dinesh Valke
|Photographed at Vaghbil, Thane, Maharashtra.|