Hunteria zeylanica Gardner ex Thwaites

Species

Angiosperms > Gentianales > Apocynaceae > Hunteria

Characteristics

Shrub or tree to 1-20 m tall; 2-30 cm dbh; bark pale to dark grey to dark brownish yellow, smooth or rough, shallowly fissured; inner bark cream, yellow or orange; wood hard, dense, whitish to yellow. Branchlets lenticellate; glabrous. Leaves: petiole 0.7-1.7 cm long; blade coriaceous, oblong or, more rarely, elliptic or obovate, (2-)4.2-18.7(-20.7) by (0.9-)1.2-6.7 cm, 1.7-5.7 times as long as wide, apex acuminate to caudate, more rarely to rounded, base rounded to cuneate, glabrous above and beneath, 12-30 pairs of secondary veins anastomosing into a distinct intramarginal nerve. Inflorescence glabrous, lax, 10-65-flowered, 1.6-7.5 cm long; peduncle (5-)10-40 mm long; pedicels 3.8-10 mm long. Flowers fragrant. Sepals erect, ovate, 0.9-1.7(-2.5) by 0.5-1(-1.4) mm, apex obtuse to acuminate; glabrous. Corolla white to pale yellow; tube 6-10 by 0.8-1.8 mm, 1.1-2.2 times as long as lobes, 3.7-7.7 times as long as calyx; lobes 2.1-5.1(-8.8) by 1.8-3.5 mm long; glabrous outside, pubescent at top of tube inside. Stamens inserted at 0.6-0.8 of corolla tube length from base; filaments 0.3-0.9 mm long; anthers 0.7-1.5 by 0.2-0.5 mm. Ovaries 0.8-1.8 mm long; style and style head 4-8 mm long. Fruit yellow to orange, obovoid to globose, smooth; 1.3-3.4 by 10-15 by 7-9 cm. Seeds 10.8-15.2 by 6.8-9.8 mm.
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Tree or shrub 1–15(–40) m high; trunk 2–30 cm in diameter; bark grey, slightly fisssured; wood very hard, dense, whitish to yellow.. Leaves petiolate; blade coriaceous, elliptic, oblong to obovate, 2–21 mm long, 0.9–6.7 cm wide, apex rounded to acuminate with acumen 4–10(–17) mm long, cuneate to rounded at the base; petiole 6–17 mm long.. Inflorescence terminal rarely also axillary, 10–65(–96)-flowered; bracts ovate to triangular, up to 1.3 mm long; peduncle 5–40 mm long; pedicels 3.8–10 mm long.. Flowers with sepals resinous within, ovate to triangular, up to 2.5 mm long; corolla white to pale yellow, orange at throat; tube creamy green, 6–10 mm long; lobes pure white, ovate, 3.7–8.8 mm long, 1.8–3.5 mm wide, obtuse at the apex; stamens inserted at 4.5–8 mm from the base; pistil 5.5–9.5 mm long; ovary abruptly narrowing into the style, ovules 2 in each carpel; style 3.5–7.2 mm long.. Fruits obovoid to globose, smooth, 13–30 mm long; 10–15 mm wide, apex rounded and sometimes stipitate at the base.. Fig. 12 (p. 37).
Trees to 15 m tall. Trunk often fluted; branches slender, glabrous. Petiole 1-1.5 cm; leaf blade oblong, elliptic, or narrowly ovate, 5-18 X 1-9 cm, base broadly cuneate to rounded, apex acuminate; lateral veins more than 30 pairs, subparallel, joining marginal veins. Flowers strongly fragrant, white. Pedicel usually longer than calyx. Sepals ovate, 1.5-1.7 mm, acute. Corolla tube 7-10 mm, pubescent inside. Berries yellow, globose, usually paired, 1-2 cm in diam. Seeds brownish, ovoid, ca. 1.2 cm X 8 mm. Fl. Apr-Sep, fr. May-Dec. 2n = 22.
A tree. It grows 15 m tall. The trunk is often fluted. The branches are slender and smooth. The leaves are narrowly oval and 5-18 cm long by 1-9 cm wide. The base is broadly wedge shaped. It tapers to the tip. There are more than 30 pairs of side veins. The flowers are white and have a strong smell. The fruit are yellow berries. They are 1-2 cm across. They usually occur in pairs. The seeds are 1.2 cm long by 8 mm wide.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 10.0 - 15.0
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 -

Environment

An understorey plant in dry coastal forest, mixed evergreen forest, gallery forest and wooded scrub. Along the coast it grows on sandy soil or coral rock, but is also found on sandy gravelly soils along rivers inland, at elevations up to 350 metres.
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It is a tropical plant. In China it grows in dense mountain forests at medium and low elevations.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

UsesThe latex is used externally to treat the disease yaws, to reduce boils and skin irritations. The wood is hard and can be used to make knife and axe handles and other smallish items.
Uses environmental use food material medicinal poison wood
Edible fruits seeds
Therapeutic use Wounds and injuries (leaf), Frambesia (unspecified), Wound (unspecified), Yaws (unspecified), Sore (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

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

Distribution

Hunteria zeylanica world distribution map, present in China, Indonesia, India, Kenya, Cambodia, Lao People's Democratic Republic, Sri Lanka, Myanmar, Mozambique, Malaysia, Somalia, Thailand, Tanzania, United Republic of, Viet Nam, and South Africa

Conservation status

Hunteria zeylanica threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:79369-1
WFO ID wfo-0000215683
COL ID 6MG4B
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Hunteria zeylanica Tabernaemontana salicifolia Hunteria corymbosa Cameraria zeylanica Gynopogon lanceolatus Hunteria africana Hunteria legocii Hunteria roxburghiana Hunteria zeylanica var. africana Hunteria zeylanica var. salicifolia Hunteria corymbosa var. salicifolia Hunteria corymbosa var. roxburghiana Hunteria lanceolata