Aucuba Thunb.

Aucuba (fr)

Genus

Angiosperms > Garryales > Garryaceae

Characteristics

Trees or shrubs, 1–10 m tall; branches with conspicuous leaf scars, often pubescent when young, glabrous when old. Leaf blade usually green or sometimes variegated with yellow, yellowish, or white spots, variable, from lanceolate to obcordate, pubescent or glabrous, veins raised abaxially, often impressed adaxially, lateral veins usually connected before reaching margin, extending to apex of marginal teeth, margin serrate, glandular serrate, or dentate, rarely entire. Staminate inflorescences (2–)7–15 cm, paniculate or racemose-paniculate, pyramidal, or cylindrical. Carpellate inflorescences panicles, shorter, 1–5 cm. Flowers: calyx lobes minute, triangular or slightly orbicular; petals free, valvate, purplish red, yellow, or green, oblong or ovate, apex acuminate or caudate. Staminate flowers: filaments awl-shaped; anthers dorsifixed, rarely versatile, locules 2, rarely locule 1, dehiscing by longitudinal slits; floral disk fleshy, slightly 4-lobed. Carpellate flowers; sepals and petals articulate at base of ovary, subtended by 1 or 2 bracteoles. Fruit cylindrical or ovoid. 2n = 16, 32.
More
Shrubs [trees]. Leaves: blade flat, coriaceous [subcoriaceous], margins dentate or entire [serrate or glandular-serrate], flat. Inflorescences terminal, panicles; bracts opposite, distinct; bracteoles 1–2 per flower. Pedicels present. Staminate flowers: sepals 4, triangular to suborbiculate, minute; petals 4, apex acuminate [caudate]; nectary present, annular; stamens alternate with petals, anthers dorsifixed. Pistillate flowers: sepals 4, triangular to suborbiculate, minute; petals 4; nectary present, annular; ovule 1; style 1, cylindric; stigma capitate, sometimes slightly 2(–4)-lobed. Fruits drupes, red, drying black, cylindric to ovoid, fleshy. Seeds 1 per fruit. x = 8.
Life form -
Growth form
Growth support -
Foliage retention evergreen
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.0 - 10.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-12

Usage

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

Cultivation

Mode -
Germination duration (days) 30 - 90
Germination temperacture (C°) 18 - 21
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -