Pinellia ternata (crowdipper)

Plate 1 figs. a–h · 8 separate observations

Pinellia ternata, photographed by Susan Christman Williams — fig. a Susan Christman Williams, CC0 1.0 / 2021-05-10 / obs. 128007479

Pinellia ternata, photographed by tkr421 — fig. b tkr421, CC BY 4.0 / obs. 126554807

Pinellia ternata, photographed by Meng-Ying Tsai — fig. c Meng-Ying Tsai, CC0 1.0 / obs. 117654359

Pinellia ternata, photographed by Yoshihiro Tokue — fig. f Yoshihiro Tokue, CC BY 4.0 / obs. 25058272

Pinellia ternata, photographed by Cheng-Tao Lin — fig. g Cheng-Tao Lin, CC BY 4.0 / obs. 65379298

Pinellia ternata, photographed by 岸本年郎 — fig. h 岸本年郎, CC BY 4.0 / obs. 195483259

Every figure is a research-grade observation under CC0, CC BY or CC BY-SA, rehosted with the photographer’s name, the licence and the observation it came from. Photographs under a NonCommercial licence are excluded from this site and are never stored, which costs us a great many pictures and is not negotiable.

Native range 10 botanical countries

Native distribution of Pinellia ternata, after Kew’s World Checklist of Vascular Plants. Introduced, extinct and doubtful records are excluded, so this is where the plant is from, not everywhere it now grows. Regions too small to draw at this scale are marked with a dot.

Region	TDWG code	Continent
China North-Central	CHN	ASIA-TEMPERATE
China South-Central	CHC
China Southeast	CHS
Hainan	CHH
Inner Mongolia	CHI
Japan	JAP
Korea	KOR
Manchuria	CHM
Nansei-shoto	NNS
Taiwan	TAI

Region boundaries approximated from Natural Earth (public domain) and mapped to TDWG World Geographical Scheme for Recording Plant Distributions (WGSRPD) level-3 botanical countries (Brummitt 2001). Indicative, not the official WGSRPD geometry.

Flowering 127 in flower of 185 examined

57%

72%

77%

68%

80%

63%

42%

Proportion of examined Pinellia ternata in flower, by month
Month	In flower	Examined	Share	95% interval
Jan	2	2	too few examined
Feb	3	3	too few examined
Mar	4	7	57%	25% to 84%
Apr	26	36	72%	56% to 84%
May	41	53	77%	64% to 87%
Jun	15	22	68%	47% to 84%
Jul	16	20	80%	58% to 92%
Aug	15	24	63%	43% to 79%
Sep	5	12	42%	19% to 68%
Oct	0	5	0%	0% to 43%
Nov	0	1	too few examined
Dec	0	0	too few examined

Peak flowering in Jul. Each bar is the share of Pinellia ternata observations in which someone actually recorded the reproductive state and found the plant in flower, not the raw number of flowering records. That distinction matters: people observe plants far more in spring than in winter, so a bare count of flowering records partly measures when people go outside. Dividing by the number examined removes that. 127 of 185 examined observations were in flower, every one of them research grade. The whisker on each bar is a 95% Wilson interval. 4 months have fewer than 5 examined observations, so no proportion is drawn for them. This is still a global aggregate and not a forecast for your garden: the same species flowers on different dates in different hemispheres. Where a species has fewer than 30 flowering records we do not draw this chart at all. Computed from 10.15468/dl.cgje2x.

Also published as 32 synonyms

A synonym is not an error. It is a record of botanists disagreeing, in print, about where this plant belongs. Each of these was somebody’s considered answer.

Alocasia ternata (Thunb.) Raf.
Arisaema loureiroi Blume
Arisaema macrourum (Bunge) Kunth
Arisaema ternatum (Thunb.) Schott
Arum atrorubens Spreng.
Arum bulbiferum Salisb.
Arum bulbosum Pers. ex Kunth
Arum bulbosum Blume
Arum fornicatum Roth
Arum macrourum Bunge
Arum subulatum Desf.
Arum ternatum Thunb.
Arum triphyllum Houtt.
Atherurus ternatus (Thunb.) Blume
Hemicarpurus fornicatus Nees
Pinellia angustata Schott
Pinellia fornicata (Roth) Pritz.
Pinellia koreana K.Tae & J.H.Kim
Pinellia ternata Ten. ex Breitenb.
Pinellia ternata f. angustata (Schott) Makino
Pinellia ternata f. atropurpurea (Makino) Ohwi
Pinellia ternata f. subcuspidata Honda
Pinellia ternata var. angustata (Schott) Engl.
Pinellia ternata var. atropurpurea Makino

and 8 more.

Sourcesevery claim on this page

World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
iNaturalist. photographs and flowering annotations, CC0 / CC BY / CC BY-SA only. per photograph. Retrieved 2026-06-27.
Wikidata. common name (P1843), joined on the World Flora Online identifier (P7715). CC0. Retrieved 2026-07-13.
Kew, World Checklist of Vascular Plants (WCVP v16). native distribution by TDWG level-3 botanical country, and life form. CC BY 3.0. Retrieved 2026-06-04.

We publish what we can source and we say so when we cannot. This page has no care advice and no toxicity claim, because we do not yet have those from a source we can cite.