Cestrum elegans (brongn. ex Neumann) Schltdl.

Purple cestrum (en)

Species

Angiosperms > Solanales > Solanaceae > Cestrum

Characteristics

Shrub 2-4 m high; shoots and petioles densely covered in purplish hairs. Petiole to 2 cm long. Lamina 4-10 × 1.5-5 cm (to at least 16 × 7 cm on vegetative shoots), ovate, elliptic or lanceolate, hairy, densely so beneath; base cuneate to rounded; apex acute or short-acuminate. Infl. paniculate, dense; branches purple, hairy; fls subsessile to shortly pedicellate, scentless. Calyx c. 7 mm long, purple, usually glabrous outside; teeth 1-4 mm long, triangular, acute or short-acuminate, ± ciliate. Corolla 1.8-2.5 cm long, rosy magenta to deep crimson; tube funnelform with narrow-cylindric base and constricted apex, glabrous, shining; lobes 1-3 mm long, ± hairy outside, glabrous inside, short-acuminate. Fr. apparently uncommon, to 2 × 1.5 cm, obovoid, glossy crimson.
More
Woody shrub to 3 m high, all parts pubescent. Leaves broadly lanceolate; lamina 6–17 cm long, 2–9 cm wide, pubescent; petiole 10–30 mm long. Inflorescence a congested, terminal panicle of subspicate racemes, densely pubescent with purple hairs; flowers numerous, sessile or on pedicels 0.5 mm long, the lower ones subtended by lanceolate, often coloured, bracts. Calyx 6–8 mm long; lobes triangular-acuminate, to 3 mm long. Corolla reddish; tube 15–20 mm long, 1–1.5 mm diam. at base, expanded to 5 mm at apex; lobes 2.5–4 mm long. Stamens inserted just below middle of corolla-tube; filaments 10 mm long, swollen and sparsely pubescent at base; anthers 1–1.5 mm long. Style c. 17 mm long. Berry more or less globular, c. 10 mm diam., red. Seeds not known.
Shrubs. Stem copiously pubescent. Petiole 6-12 mm; leaf blade ovate or elliptic, ca. 8 × 3 cm. Inflorescences erect, terminal or axillary, congested racemose panicles; bracts ovate, minutely tomentose, 4-5 mm. Flowers odorless. Pedicel ca. 1 mm. Calyx narrowly campanulate, 6-8 mm, glabrous, unribbed; teeth ca. 3 mm, ciliate. Corolla red, pink, or violet, ca. 2 cm, expanded upward, abruptly contracted at throat, glabrous; lobes deltoid, ca. 2 mm. Filaments glabrous, unappendaged, slightly bent at point of insertion. Fruiting calyx not splitting. Berry dark pink, globose, 0.8-1.3 cm. Seeds ca. 8.
Small tree or climbing shrub, up to 2 m high. Young branches hairy. Leaves ovate to ovate-lanceolate, up to 130 mm long, acute to acuminate. Inflorescence a loose terminal cluster, nodding. Calyx 6 mm long. Corolla 15-22 mm long, constricted near mouth. Berries red. Flowers crimson to reddish purple.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 2.5 - 4.0
Mature height (meter) 2.5 - 4.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-9
Soil humidity 3-5
Soil texture 3-4
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 9-11

Usage

Uses environmental use
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -7
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Cestrum elegans leaf picture by ian connop (cc-by-sa)
Cestrum elegans leaf picture by Shehadi Ramiz (cc-by-sa)
Cestrum elegans leaf picture by Denis Bastianelli (cc-by-sa)

Flower

Cestrum elegans flower picture by ian connop (cc-by-sa)
Cestrum elegans flower picture by Ball Darren (cc-by-sa)
Cestrum elegans flower picture by nischal gurung (cc-by-sa)

Distribution

Cestrum elegans world distribution map, present in Australia, China, Colombia, Eritrea, India, Kenya, Sri Lanka, Mexico, Malawi, Nepal, New Zealand, Portugal, Réunion, Rwanda, Tanzania, United Republic of, Viet Nam, South Africa, Zambia, and Zimbabwe

Conservation status

Cestrum elegans threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:30074968-2
WFO ID wfo-0001020477
COL ID T5MC
BDTFX ID -
INPN ID 673447
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Cestrum smithii Habrothamnus elegans Habrothamnus paniculatus Meyenia purpurea Cestrum paniculatum Cestrum purpureum Cestrum sylvaticum Habrothamnus purpureus Cestrum elegans var. longiflorum Cestrum elegans var. totutla Cestrum elegans var. truncata Cestrum elegans