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Vascular Plants of California
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Aristocapsa insignis
INDIAN VALLEY SPINEFLOWER


Higher Taxonomy
Family: PolygonaceaeView DescriptionDichotomous Key
Common Name: BUCKWHEAT FAMILY
Habit: Annual to shrub [tree]. Stem: nodes swollen or not. Leaf: simple, basal or cauline, generally alternate; ocreae present or 0, generally scarious, persistent or not. Inflorescence: flower clusters in axillary to terminal cyme-, panicle-, raceme-, spike-, umbel- or head-like arrangements, entire inflorescence or main inflorescence branches generally subtended by bracts ("inflorescence bracts"); peduncles present or 0; flower clusters in Eriogoneae-Eriogonoideae subtended by involucre of >= 1 free or +- fused, sometimes awn-tipped bracts ("involucre bracts") or, in Polygonoideae and rarely in Eriogonoideae, not (if bracts completely fused, involucre "tubular"); pedicels in Eriogoneae each often subtended by 2 free, transparent, linear bractlets or in Polygonoideae all subtended by 2+ fused, membranous, wide bractlets. Flower: generally bisexual, small, 1--200 per node; perianth parts 2--6, generally in 2 whorls, free or basally fused, generally petal-like, often +- concave adaxially, often darker at midvein, often turning +- red or +- brown in age; stamens [1]3 or 6--9 in 2 whorls; ovary superior, 1-chambered, ovule 1, styles 1--3. Fruit: achenes, included in or exserted from perianth, generally 3-angled, ovoid or elliptic, generally glabrous.
Genera In Family: 48 genera, +- 1200 species: worldwide, especially northern temperate; some cultivated for food (Coccoloba, sea-grape; Fagopyrum, Rheum, Rumex) or ornamental (Antigonon, lovechain; Coccoloba; Muehlenbeckia; Persicaria; Polygonum), a few timbered (Coccoloba; Triplaris). Several (Emex; Fallopia; Persicaria; Polygonum; Rumex) are weeds. Note: Treatment of genera in Eriogonoideae based on monographic work of James L. Reveal. Involucre number throughout is number (1--many) per ultimate grouping, at tips of ultimate branches; flower number is per flower cluster or involucre, unless otherwise stated. Fagopyrum esculentum Moench not naturalized, considered an historical waif (or garden weed +- presently), therefore not treated.
eFlora Treatment Author: Mihai Costea, except as noted
Scientific Editor: Thomas J. Rosatti, Bruce G. Baldwin.
Genus: AristocapsaView Description 



Etymology: (Latin: awned box, for awned involucre)
eFlora Treatment Author: James L. Reveal & Thomas J. Rosatti
Aristocapsa insignis (Curran) Reveal & Hardham
NATIVE
Habit: Annual, erect, 0.2--1 dm, glandular. Leaf: basal; blades (0.3)0.5--1.5 cm, (0.1)0.2--0.4 cm wide, glabrous; ocreae 0. Inflorescence: terminal, cyme-like; peduncles erect, 1--2 mm; involucre 1, 3--5 mm, tubular, teeth 5, awns (1)2--3 mm. Flower: (4)6, 1.5 mm, hairy; perianth white to pink or rose, lobes 6, entire; stamens 9. Fruit: 1.5 mm, light green-brown to tan, obconic, glabrous; embryo curved. Chromosomes: n=14.
Ecology: Sand; Elevation: 300--600 m. Bioregional Distribution: SCoRI (Monterey, San Luis Obispo cos.). Flowering Time: May--Jun Note: Extirpated from Monterey Co.
Synonyms: Centrostegia insignis (Curran) A. Heller; Chorizanthe insignis Curran; Oxytheca insignis (Curran) Goodman
Jepson eFlora Author: James L. Reveal & Thomas J. Rosatti
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)
Listed on CNPS Rare Plant Inventory

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Botanical illustration including Aristocapsa insignis

botanical illustration including Aristocapsa insignis

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Citation for this treatment: James L. Reveal & Thomas J. Rosatti 2012, Aristocapsa insignis, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=14227, accessed on April 30, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on April 30, 2024.

Aristocapsa insignis
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©2011 Chris Winchell
Aristocapsa insignis
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©2019 Aaron Schusteff
Aristocapsa insignis
click for enlargement
©2019 Aaron Schusteff
Aristocapsa insignis
click for enlargement
©2011 Chris Winchell
Aristocapsa insignis
click for enlargement
©2011 Chris Winchell

More photos of Aristocapsa insignis
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Geographic subdivisions for Aristocapsa insignis:
SCoRI (Monterey, San Luis Obispo cos.).
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).





 

Data provided by the participants of the  Consortium of California Herbaria.
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All markers link to CCH specimen records. The original determination is shown in the popup window.
Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time (fruiting time in some monocot genera).