Clerodendrum trichotomum Thunb.

Harlequin glorybower (en), Clérodendron trichotome (fr), Arbre du clergé (fr)

Species

Angiosperms > Lamiales > Lamiaceae > Clerodendrum

Characteristics

Spreading shrub or small tree to c. 6 m high; sucker shoots sometimes frequent; stems hairy when young. Lvs long-petiolate. Lamina 9-18 × 7-12 cm, smaller on flowering shoots, usually ovate or oblong-ovate, entire to crenulate, tomentose beneath when young, later the hairs mainly confined to veins, becoming glabrate above; base cuneate on flowering shoots, cordate on vegetative shoots; apex abruptly short-acuminate. Infl. a large terminal panicle of fragrant fls; peduncles and pedicels hairy, reddish. Calyx 1-1.5 cm long at anthesis, slightly hairy at base, ± red, lobed to c. ⅓; segments ovate, sharply keeled, acute. Corolla white; tube c. 1.5 cm long; lobes 8-12 mm long, patent, linear-oblong to oblong. Stamens exserted by 1-2 cm. Frs globose or subglobose, 5-9 mm diam., bright blue, glossy, surrounded by the shining crimson calyx lobes. Seed flattened on 1 side.
More
Shrubs or small trees, 1.5-10 m tall. Branchlets lenticellate. Petiole 2-8 cm; leaf blade greenish abaxially and dark green adaxially, ovate-elliptic, triangular-ovate, or ovate, 5-16 2-13 cm, papery, base broadly cuneate, truncate, or rarely cordate, margin entire or rarely undulate, apex acuminate, veins 3-5 pairs. Inflorescences axillary or terminal, lax, corymbose cymes, dichotomous, 8-18 cm; peduncle 3-6 cm; bracts elliptic, deciduous. Flowers fragrant. Calyx greenish, becoming purple, deeply 5-lobed; lobes triangular-lanceolate to ovate, acute. Corolla white or pinkish, ca. 2 cm, tube slender; lobes oblong, 5-10 3-5 mm. Style shorter than stamens, both exserted. Drupes blue-purple, subglobose, ca. 6-8 mm in diam.
A small tree. It loses its leaves during the year. It grows 4.5-6 m high. It forms suckers. It has sparse branches and the lower branches droop. The leaves are thin and downy. The flowers are in clusters at the branch tips. They are white but turn pink. The fruit are small and blue. They are cupped in enlarged red calyces.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 3.0
Mature height (meter) 5.5 - 6.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a tropical plant. It is frost hardy. It is best in a well-drained, moist soil. It suits hardiness zones 10-12.
More
Thickets on mountain slopes, throughout most of China except Nei Mongol, at elevations below 2,400 metres.
Thickets on mountain slopes, throughout most of China except Nei Mongol, at elevations below 2400 metres.
Light 6-8
Soil humidity 4-7
Soil texture 2-5
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 7-10

Usage

The young leaves are eaten or used to wrap food.
Uses medicinal
Edible leaves stems
Therapeutic use Analgesics (leaf), Hypnotics and sedatives (leaf), Hypotension (leaf), Dermatitis (unspecified), Hypertension (unspecified), Rheumatism (unspecified), Arthritis (unspecified), Inflammation (unspecified), Analgesics (whole plant), Antirheumatic agents (whole plant), Hypertension (whole plant), Hypotension (whole plant)
Human toxicity -
Animal toxicity -

Cultivation

It can be grown by seeds or from cuttings that have a heel.
Mode cuttings seedlings
Germination duration (days) 21 - 60
Germination temperacture (C°) 21 - 23
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -19
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Flower

Clerodendrum trichotomum flower picture by Azeen Design (cc-by-sa)
Clerodendrum trichotomum flower picture by Darkmattersun Sirius (cc-by-sa)

Distribution

Clerodendrum trichotomum world distribution map, present in Åland Islands, China, Italy, Japan, New Zealand, Philippines, Korea (Democratic People's Republic of), Taiwan, Province of China, and United States of America

Conservation status

Clerodendrum trichotomum threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:927405-1
WFO ID wfo-0000887270
COL ID W47Q
BDTFX ID 82197
INPN ID 610632
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Siphonanthus trichotomus Siphonanthus yakusimensis Clerodendrum koshunense Clerodendrum serotinum Clerodendrum trichotomum Clerodendrum yakusimense Ovieda trichotoma Clerodendrum fargesii Clerodendrum trichotomum f. albicarpum Clerodendrum trichotomum var. esculentum Siphonanthus trichotomus var. esculentus Clerodendrum trichotomum var. trichotomum Clerodendrum trichotomum var. villosum

Lower taxons

Clerodendrum trichotomum var. fargesii Clerodendrum trichotomum var. ferrugineum