WorldFloraDB - Teucrium viscidum

Characteristics

Herbs perennial, stoloniferous. Stems erect, 30-70 cm tall, basally glabrous or subglabrous, apically glandular pubescent or glabrous. Petiole 1-3 cm, subglabrous; blade ovate to ovate-oblong, 3-10 cm, subglabrous or very sparsely puberulent, base rounded, broadly cuneate to cuneate, margin double crenate-serrate, apex acute to short acuminate. Spikes on apical parts of stem and branches, 3-7 cm, densely glandular pubescent; verticillasters close together, 2-flowered; bracts lanceolate. Pedicel 1-2 mm, densely glandular villous. Calyx campanulate, 2.8-4 × 2.2 mm; teeth straight, subequal, less than 1/2 as long as calyx tube, upper 3 ovate-triangular, lower 2 triangular. Corolla white, reddish, or purplish, 6.5-7.5 mm, tube ca. 3 mm; middle lobe circular, lateral lobes ovate-triangular, obtuse. Ovary apically bullate, hairy. Style as long as stamens. Nutlets yellow-brown, oblate, ca. 1.3 mm. Fl. Jun-Nov (Jun-Sep in the Chang Jiang basin; Jun-Nov in Guangdong and S Yunnan).

More

Erect annual, 20-80 cm, often branched and stoloniferous. Stem and branches hirsute, viscous-glandular. Leaves membranaceous, slightly fetid, narrowly ovate to ovate, 4-7 by 3-4 cm, distinctly crenate-serrate, acute or broadly acute, base cuneate or round, both surfaces scattered with weak, white hairs; petiole slender, 1.5-3 cm. Racemelike inflorescences terminal and axillary, 2-3 cm long, in fruit up to 10 cm, densely or sparsely covered with both non-glandular and viscous, glandular hairs. Pedicels 2-3 mm. Bracts pilose, lanceolate, 2-3 mm. Calyx campanulate, 2-3 mm long, in fruit: urceolate or tubular, 3-6 mm, glandular-ciliate, 3 upper teeth ovate or triangular, 2 lower ones slightly narrower. Corolla pinkish to purple, slender, exserted, 5-8(-12) mm long, slightly concave. Nutlets shallowly ridged, ovoid or globoid, 1.5 mm long.

Life form

perennial

Growth form

herb

Growth support

-

Foliage retention

deciduous

Sexuality

hermaphrodite

Pollination

-

Spread

-

Mature width (meter)

-

Mature height (meter)

0.25 - 0.75

Root system

-

Rooting depth (meter)

-

Root diameter (meter)

-

Flower color

-

Blooming months

Jan	Feb	Mar
Apr	May	Jun
Jul	Aug	Sep
Oct	Nov	Dec

Fruit color

-

Fruiting months

-

Nitrogen fixer

-

Photosynthetic pathway

-

Environment

Shaded localities, in forests and thickets, also sometimes on limestone rocks, occasionally in coffee estates, usually locally common, (550-) 800-1700 m. Fl. Jan.-Dec, mainly March-June.

Light	-
Soil humidity	-
Soil texture	-
Soil acidity	-
Soil nutriment	-
Hardiness (USDA)

Usage

Uses	medicinal social use
Edible	-
Therapeutic use	Exanthema (unspecified), Fever (unspecified), Furunculosis (unspecified), Wounds and injuries (unspecified)
Human toxicity	-
Animal toxicity	-

Cultivation

Mode	-
Germination duration (days)	25 - 30
Germination temperacture (C°)	21
Germination luminosity	-
Germination treatment	-
Minimum temperature (C°)	-
Optimum temperature (C°)	-
Size	-
Vigor	-
Productivity	-