Perityle emoryiTorr.

Emory's rockdaisy

WFO wfo-0000007385 Accepted WFO 2026-06 8 photographs CC0 / CC BY

Plate 1 figs. a–h · 8 separate observations

Perityle emoryi, photographed by Bobby McCabe
fig. a Bobby McCabe, CC BY 4.0 / 2022-04-17 / obs. 188877017
Perityle emoryi, photographed by mark-groeneveld
fig. b mark-groeneveld, CC BY 4.0 / obs. 186151826
Perityle emoryi, photographed by Eric Knight
fig. c Eric Knight, CC BY 4.0 / obs. 181899447
Perityle emoryi, photographed by Gail A Baker
fig. d Gail A Baker, CC BY 4.0 / obs. 189741293
Perityle emoryi, photographed by Jim Riley
fig. e Jim Riley, CC0 1.0 / obs. 177491871
Perityle emoryi, photographed by Bob Miller
fig. f Bob Miller, CC BY 4.0 / obs. 174580280
Perityle emoryi, photographed by Philip Vanbergen
fig. g Philip Vanbergen, CC0 1.0 / obs. 165466289
Perityle emoryi, photographed by Kenzie Anderson-Bell
fig. h Kenzie Anderson-Bell, CC BY 4.0 / obs. 163642597

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

Regions where Perityle emoryi is native: Arizona, California, Mexico Northeast, Mexico Northwest, Mexico Southwest, Nevada, Utah, Chile Central, Chile North, Peru ArizonaCaliforniaMexico NortheastMexico NorthwestMexico SouthwestNevadaUtahChile CentralChile NorthPeru
Native distribution of Perityle emoryi, 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.
RegionTDWG codeContinent
Arizona ARI NORTHERN AMERICA
California CAL
Mexico Northeast MXE
Mexico Northwest MXN
Mexico Southwest MXS
Nevada NEV
Utah UTA
Chile Central CLC SOUTHERN AMERICA
Chile North CLN
Peru PER

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 3,171 in flower of 3,540 examined

Peak flowering in Jun. Each bar is the share of Perityle emoryi 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. 3,171 of 3,540 examined observations were in flower, every one of them research grade. The whisker on each bar is a 95% Wilson interval. 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.

Where it actually grows measured, from 1,994 observations

Condition 5th percentile Median 95th percentile
Coldest month, mean daily low 3.3 °C 7.3 °C 11.2 °C
Warmest month, mean daily high 23.9 °C 39.5 °C 41.9 °C
Annual rainfall 91 mm 191 mm 327 mm
Rainfall in the driest quarter 4 mm 10 mm 16 mm

It is found where winters are cool but frost is light or absent. This is not care advice and it is not a forecast. It is a measurement: we sampled the climate at every one of the 1,994 research-grade observations of Perityle emoryi that carry a coordinate, and this is the range those places actually span. The 5th and 95th percentiles are used rather than the minimum and maximum, because a single cultivated specimen in a heated conservatory should not widen a tropical plant's range to the Arctic.

This is not a hardiness zone. A USDA zone is the average annual extreme minimum temperature. The figure above is the mean daily minimum of the coldest month, which is a different quantity and is typically far warmer. Reading one as the other would place a plant several zones too warm, so we do not publish a hardiness zone, because we do not have one. Climate from CHELSA V2.1 (Karger et al. 2017); occurrences from 10.15468/dl.cgje2x.

Also published as 24 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.

  • Closia anthemoides Phil.
  • Closia brachypetala Phil.
  • Closia chilensis Regel & Körn.
  • Closia cotula J.Rémy
  • Closia cotula var. cotula
  • Closia cotula var. elata Reiche
  • Closia digitata Phil.
  • Closia discoidea Phil.
  • Closia elata Phil.
  • Closia elata var. elata
  • Closia elata var. nana Phil.
  • Closia foliosa Phil.
  • Closia pusilla Phil.
  • Closia viridis Phil.
  • Laphamia emoryi Benth. & Hook.f. ex B.D.Jacks.
  • Laphamia nuda Benth. & Hook.f. ex B.D.Jacks.
  • Perityle discoidea I.M.Johnst.
  • Perityle emoryi var. elata I.M.Johnst.
  • Perityle emoryi var. emoryi
  • Perityle emoryi var. nuda (Torr. ex A.Gray) A.Gray
  • Perityle fitchii var. palmeri A.Gray
  • Perityle grayi Rose
  • Perityle nuda Torr.
  • Perityle rothrockii Rose

Sourcesevery claim on this page

  1. World Flora Online Plant List. accepted name, authority, classification. CC0. Retrieved 2026-07-12.
  2. iNaturalist. photographs and flowering annotations, CC0 / CC BY / CC BY-SA only. per photograph. Retrieved 2026-06-27.
  3. Wikidata. common name (P1843), joined on the World Flora Online identifier (P7715). CC0. Retrieved 2026-07-13.
  4. 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.