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炮弹树

Cannonball tree|ホウガンノキ

Couroupita guianensis · 玉蕊科 Lecythidaceae

炮弹树
摄影:Robert H. Wardell,来自 iNaturalist,公有领域 / CC0 授权。照片未经修改(仅缩放)。
颜色
粉、红、黄
地区
新加坡与热带亚洲
花期
全年
花形
垂串
IUCN 等级
无危 (LC)

识别特征

落叶乔木,高达 35 米。叶簇生枝端,通常 8 到 31 厘米,最长可达 57 厘米。花序直接从树干长出(老茎生花),下垂的长总状花序可挂满整个树干;花大、有浓香,六枚肉质花瓣外面黄、里面粉红到深红,雄蕊分成两组:一圈正常的雄蕊环和一个像兜帽一样弯过来的不育雄蕊盘。果实是直径可达 25 厘米的褐灰色圆球,像炮弹一样挂在树干上,所以叫「炮弹树」;果肉发酵有臭味。印度教寺庙常种它,视为圣树。

栖息环境

热带低地雨林;作奇观树在热带植物园、公园和寺庙种植,大树要离步道远一点,因为落果危险。

分布

原产中美洲和南美洲(哥斯达黎加到巴西和玻利维亚北部)的低地雨林,广泛栽培于世界热带;新加坡植物园和多个公园有大树,华南(海南、广东、云南)植物园栽培,日本仅温室。

花期

热带全年开花结果,花和果同时挂在树干上;一朵花只开一天,清晨开放、傍晚落下。

拍摄建议

以下为 FilmAnalysis 编辑的拍摄经验,不是资料来源中的内容。

老茎生花是全部的题材:树干上同时挂着垂下的花序和一排排炮弹果,竖幅平视拍树干的一段。花的雄蕊兜帽要微距正面,黄外粉内的花瓣用侧光。树干下的落花铺成一地,低角度拍。别站在果子下面。

适合的摄影风格

挂满花和炮弹果的树干;雄蕊兜帽的微距。

相似物种

玉蕊(Barringtonia,花也夜开、雄蕊丝状,但果不同);猴面包树(果大但不生于树干);没有其他常见树长这样。

相关徽章

暂无。本种还没有经过验证的照片识别,所以没有对应的徽章:图鉴里有名字不等于照片里有证据。

本页插图为 FilmAnalysis 原创绘制。照片来自 iNaturalist,授权和作者见图下说明。

收录缘由:本种来自 赏花清单(GBIF 分类骨干与维基数据核对)。名称以GBIF 分类骨干和维基数据为准,事实依据下列资料来源,照片识别暂不提供。

资料来源

Flora & Birds › Flowers

Cannonball tree

炮弹树 · ホウガンノキ

Couroupita guianensis · Lecythidaceae

Cannonball tree
Photo: Robert H. Wardell, via iNaturalist, public domain / CC0. Unmodified apart from resizing.
Colour
pink, red, yellow
Region
Singapore and tropical Asia
Season
year-round
Shape
hanging raceme
IUCN status
Least Concern

Identification

A deciduous tree up to 35 m. Leaves clustered at the branch tips, usually 8–31 cm and up to 57 cm. Inflorescences grow straight from the trunk (cauliflory), long hanging racemes that can cover the whole trunk; large strongly scented flowers with six fleshy petals yellow outside and pink to deep red within, and stamens in two sets, a ring of fertile stamens and a hood of sterile ones curving over them. The fruit is a brownish-grey ball up to 25 cm across hanging on the trunk like a cannonball, hence the name; the pulp smells foul as it ferments. Planted at Hindu temples as a sacred tree.

Habitat

Tropical lowland rainforest; a curiosity tree in tropical botanic gardens, parks and temples, kept back from paths because falling fruit is dangerous.

Distribution

Native to the lowland rainforests of Central and South America (Costa Rica to Brazil and northern Bolivia) and widely grown in the tropics; large trees in the Singapore Botanic Gardens and several parks, grown in botanic gardens in southern China (Hainan, Guangdong, Yunnan), glasshouse-only in Japan.

Season and behaviour

Flowers and fruit all year in the tropics, both hanging on the trunk at once; each flower lasts one day, opening at dawn and falling by evening.

Photography tips

These are the FilmAnalysis editors' notes, not content from the sources.

Cauliflory is the whole subject: a trunk hung with drooping racemes and rows of cannonballs at once, a portrait frame of one stretch of trunk at eye level. The stamen hood wants a head-on macro, the yellow-outside pink-inside petals side light. Fallen flowers carpet the ground below, from low. Do not stand under the fruit.

Photographic styles

A trunk hung with flowers and cannonballs; macro of the stamen hood.

Similar species

Barringtonia (also night-opening with thread stamens, but different fruit); baobab (large fruit, not on the trunk); no other common tree looks like it.

Related badge

None yet. No validated photo recognition exists for this species, so no badge is tied to it: a name in the encyclopedia is not evidence in a photograph.

The illustration is original FilmAnalysis artwork. The photograph is from iNaturalist; its licence and author are under it.

Why it is listed: this species comes from the Flower checklist (GBIF backbone and Wikidata verified). Names follow the GBIF backbone and Wikidata; the facts follow the sources below; photo recognition is not offered.

Sources