花鸟图鉴 › 花卉

天人菊

Firewheel|テンニンギク

Gaillardia pulchella · 菊科 Asteraceae

天人菊
摄影:Rhododendrites,来自 Wikimedia Commons,以 CC BY-SA 4.0 授权。照片未经修改(仅缩放)。
颜色
红、橙、黄
地区
日本与温带东亚、新加坡与热带亚洲
花期
夏
花形
单朵

识别特征

短命的多年生或一年生草本,茎有毛、直立、分枝,高达 60 厘米。叶互生、多基生,4 到 8 厘米,边缘全缘到粗齿或浅裂。头状花序像风车或雏菊,直径 4 到 6.5 厘米,红、橙、黄三色:10 到 20 枚舌状花基部红、尖端黄、先端三裂,中央管状花红紫;有的变种几乎全红只带黄尖。果实是近棱锥形的瘦果。美国俄克拉荷马州州花,台湾澎湖县县花。

栖息环境

沙地、海岸、路边和花坛,耐旱耐盐耐风,在澎湖的玄武岩海岸和沙滩上成片。

分布

原产美国中部和美洲热带,现广泛栽培并归化;台湾澎湖归化成片,中国各地花坛栽培,日本花坛常见(日文名「天人菊」),新加坡有栽培。

花期

5 到 7 月最盛,澎湖 5 到 9 月,部分地区几乎全年;一朵花可开一周以上。

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。

红黄渐变的舌状花正面俯拍最有风车感,三裂的尖端要锐利;柔光下红色才不溢出,减半档。澎湖海岸成片的天人菊配玄武岩和海是地方名片,广角低角度。蜜蜂和蝴蝶常来,1/1600 秒。

适合的摄影风格

风车般的红黄花;海岸花海的广角。

相似物种

大天人菊(Gaillardia aristata,多年生,花更大,黄为主);杂种天人菊(栽培);黑心金光菊(花心黑、舌状花全黄)。

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。照片来自维基共享资源,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

Firewheel

天人菊 · テンニンギク

Gaillardia pulchella · Asteraceae

Firewheel
Photo: Rhododendrites, via Wikimedia Commons, licensed CC BY-SA 4.0. Unmodified apart from resizing.
Colour
red, orange, yellow
Region
Japan and temperate East Asia, Singapore and tropical Asia
Season
summer
Shape
single flower

Identification

A short-lived perennial or annual with hairy upright branched stems to 60 cm. Alternate mostly basal leaves 4–8 cm, entire to coarsely toothed or lobed. Pinwheel or daisy-like heads 4–6.5 cm across in red, orange and yellow: ten to twenty rays red at the base and yellow at the three-lobed tip round a red-violet disc; in one variety almost all red with only the barest yellow tips. A nearly pyramidal achene. The state flower of Oklahoma and the county flower of Penghu, Taiwan.

Habitat

Sand, coasts, roadsides and beds, tolerant of drought, salt and wind; in sheets on Penghu's basalt coasts and beaches.

Distribution

Native to the central United States and tropical America, now widely grown and naturalised; naturalised in sheets on Penghu in Taiwan, grown in beds across China, common in Japanese beds (tenningiku), grown in Singapore.

Season and behaviour

Peak May to July, May to September on Penghu, nearly all year in places; one flower lasts over a week.

Photography tips

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

The red-to-yellow rays seen straight down make the pinwheel, with the three-lobed tips sharp; soft light stops the red bleeding, half a stop under. Sheets of firewheel on Penghu's coast with basalt and sea are the local emblem, wide and low. Bees and butterflies come, 1/1600 s.

Photographic styles

Pinwheels of red and yellow; a wide view of a coastal flower field.

Similar species

Great blanketflower, Gaillardia aristata (perennial, larger, mostly yellow); hybrid blanketflowers (cultivated); black-eyed Susan (black disc, all-yellow rays).

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 Wikimedia Commons; 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