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Home / Browse / Chorizanthe / Brittle Spineflower (var. spathulata)
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Pictured: Chorizanthe brevicornu — the species. This variety isn’t separately illustrated.
Polygonaceae family

Brittle Spineflower (var. spathulata) Chorizanthe brevicornu var. spathulata variety

Native

Brittle Spineflower (var. spathulata) is an annual wildflower native to the lower 48 states.

More about this plant

Chorizanthe brevicornu is a species of flowering plant in the buckwheat family which is known by the common name brittle spineflower. It is native to the southwestern United States and northern Mexico, where it is widely distributed but is most abundant in the deserts. The plant extends an erect, naked, highly branching stem which is greenish in color. Most of the leaves grow from the base of the plant, but a few small ones may appear up on the stem. At the end of each of the many branches is a tube-shaped inflorescence which opens into a tiny white or greenish-yellow flower a few millimeters wide. Chorizanthe brevicornu relies on wind and small mammals for seed dispersal. The brittle nature of the plant allows the inflorescence to break apart, aiding in spreading seeds across arid landscapes. Wikipedia →

Growing & care

USDA PLANTS · TRY
Conditions
Sources · Conditions
Cold hardiness (derived) — Hardiness
Hardiness
≥ zone 7 derived from its U.S. range
Size & form
Sources · Size & form
USDA PLANTS — Lifespan
Lifespan
Annual
In the garden
Herb layer — Sits in the herb of a layered food forest or polyculture.Open guide →
derived roles
Species characteristics from USDA PLANTS (public domain) + TRY (CC BY) — general guidance, not a guarantee for your exact site. Deer "browsing" is documented palatability, not a deer-proof claim.

Wildlife & pollinators

How pollinator value is scored →
❧ Caterpillar hosts Documented caterpillar host

Recorded feeding on Chorizanthe in North America, including:

Named species (a documented Nearctic sample, not exhaustive) from NHM HOSTS (CC0).
Species thumbnails re-hosted from iNaturalist — Creative Commons, credited per image (hover for credit). Click any species to see it on iNaturalist. Not exhaustive; many taxa have no openly-licensed photo yet.
Sources for this entry (11) Open & cited
[01] Scientific name & family — USDA PLANTS (DwCA, Zenodo 17903503)
[02] Growth habit & duration — USDA PLANTS (DwCA, Zenodo 17903503)
[03] Native status & distribution — USDA PLANTS (DwCA, Zenodo 17903503)
[04] Common name — USDA PLANTS (via GBIF)
[05] Invasive / introduced status — USDA PLANTS (DwCA, Zenodo 17903503) — native status
[06] Description — Wikipedia (CC BY-SA)
[07] Ecological value — GloBI
[08] Conservation rank — NatureServe Explorer (CC BY)
[09] Cold hardiness (derived) — Derived from U.S. range × USDA PHZM zones
[10] Caterpillar species — NHM HOSTS (CC0)
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