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Kallstroemia grandiflora

Higher Taxonomy
Family: ZygophyllaceaeView DescriptionDichotomous Key

Common Name: CALTROP FAMILY
Habit: Annual, perennial herb, shrub, often armed; caudex present or not. Stem: branched; nodes often angled, swollen. Leaf: 1-compound, opposite, petioled; stipules persistent or not; leaflets entire. Inflorescence: flowers 1--2 in axils. Flower: bisexual; sepals 5, free, persistent or not; petals 5, free, generally spreading, twisted (corolla propeller-like) or not; stamens 10, appendaged on inside base or not; ovary superior, chambers (and lobes) 5--10, each with 1--several ovules, placentas axile. Fruit: capsule or splitting into 5--10 nutlets (= mericarps).
Genera In Family: 27 genera, +- 250 species: widespread especially in warm, dry regions; some cultivated (Guaiacum, lignum vitae; Tribulus, caltrop).
eFlora Treatment Author: Duncan M. Porter
Scientific Editor: Thomas J. Rosatti.
Genus: KallstroemiaView DescriptionDichotomous Key

Habit: Annual, unarmed. Stem: spreading radially, prostrate to ascending, < 1 m. Leaf: even-1-pinnate; stipules narrow, green. Inflorescence: flowers 1 in axils. Flower: sepals persistent or not; petals yellow to orange, persistent, withering. Fruit: 10-lobed, splitting into 10 tubercled nutlets; style persistent; pedicel reflexed. Seed: 1 per chamber.
Species In Genus: 17 species: warm and tropical America. Etymology: (Anders Kallstroem, obscure contemporary of Scopoli, author of genus, 1733--1812)

Kallstroemia grandiflora A. Gray
WAIF
Stem: decumbent to ascending, < 1 m; both densely silky and sharply bristly. Leaf: stipules 4--10 mm; leaflets 8--16. Flower: peduncle >> subtending leaf; sepals persistent, >> fruit body, spreading, margins strongly inrolled; petals 15--30 mm, yellow to orange, darker at base. Fruit: 2--3 mm wide, ovoid; style 3 × fruit body.
Ecology: Uncommon. Sandy roadsides; Elevation: 300--900 m. Bioregional Distribution: DSon (near Desert Center, Riverside Co.; Jacumba, San Diego Co.); expected but evidently not yet found elsewhere; Distribution Outside California: native Arizona to Texas, western Mexico. Flowering Time: Sep--Oct
eFlora Treatment Author: Duncan M. Porter
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Previous taxon: Kallstroemia californica
Next taxon: Kallstroemia parviflora

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Citation for this treatment: Duncan M. Porter 2016. Kallstroemia grandiflora, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=29859, accessed on April 30, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on April 30, 2016.


Kallstroemia grandiflora
click for enlargement
© 2013 Keir Morse
Kallstroemia grandiflora
click for enlargement
© 2013 Keir Morse
Kallstroemia grandiflora
click for enlargement
© 2013 Keir Morse
Kallstroemia grandiflora
click for enlargement
© 2013 Keir Morse
Kallstroemia grandiflora
click for enlargement
© 2013 Keir Morse
Kallstroemia grandiflora
click for enlargement
© 2013 Keir Morse

More photos of Kallstroemia grandiflora in CalPhotos


Geographic subdivisions for Kallstroemia grandiflora:
DSon (near Desert Center, Riverside Co.; Jacumba, San Diego Co.); expected but evidently not yet found elsewhere;
Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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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).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.