1471
Premna tomentosa
Willd.
Synonym |
: |
Premna cordata Blanco |
Family |
: |
Lamiaceae |
Local name |
: |
English -Bastard Teak Malayalam- Katutekku |
Flowering and fruiting period |
: |
February-April |
Distribution |
: |
Peninsular India and Sri Lanka |
Distribution in Kerala |
: |
Palakkad, Idukki, Wayanad |
Habitat |
: |
Dry deciduous forests |
Uses |
: |
he dried entire plant is used as a poultice to soothe skin
irritation caused by caterpillars. The bark has been used to treat diarrhoea.
The light brown wood is smooth, close-grained and hard, It is used for house
building, furniture, weaving shuttles, and also for carving, turnery and
fancy work. |
Key botanical characters: Tree about 25-20 ft tall. Bark grayish brown, branches and branchlets
obtusely quadrangular, young parts densely stellate-wooly with brownish
hairs, slightly glabrous when mature, nodes annulate, flat, internodes 1-2 cm
long. Leaves simple, decussate-opposite, lanceolate-elliptic, ovate-cordate,
5-22 × 3-14 cm, base truncate to obtuse, margin entire, apex acute to
acuminate, chartaceous, membranous, pubescent above, densely pubescent beneath, lateral veins
5-7 on either side of the midrib, impressed above, prominent on beneath,
reticulate veinlets, petiole slender, pubescent, canaliculated, about 5-12 cm
long. Inflorescence terminal panicles, composed of 8–12 opposite
dichotomously branched cymes, about 6-12 cm long, peduncle, slender, obtusely
quadrangular, densely pubescent, about 2-4 cm long, bracts leaflike or
foliaceous, lanceolate, apex caudate, about 4 mm long, bractlets linear.
Flowers bisexual, numerous, pedicels about 2-4 mm long, Calyx campanulate,
faintly 5 toothed, 2 lipped, lobes subequal, pubescent, about 3 × 3 mm
across, Corolla infundibular, 4 lobed, obscurely 2 lipped, upper lip 1 lobed,
retuse, lower lip 3 lobed, lobes obovate, apex acute, corolla tube narrow,
about 3 x 1 mm across, densely pubescent at throat, pubescent outside.
Stamens 4, didynamous, exserted, filaments filiform, about 2-3 mm long,
slightly exserted, anthers globose, 2-celled, Ovary obovoid, truncate at
apex, 1 × 1 mm, pubescent, style slender, 3-4 mm long, stigma faintly. Fruit
drupaceous, obovoid, glabrous, about 2 x 3 mm across, green, dark purplish
black when ripe, fruiting calyx saucer shaped. |
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