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.
Habit: Perennial herb, shrub. Stem: < 1 m, spreading, angled or ridged. Leaf: palmately compound; stipules stiff, spine-tipped; leaflets 3, spine-tipped, terminal largest. Inflorescence: flowers 1 in axils. Flower: sepals deciduous; petals clawed, twisted, purple to pink, deciduous. Fruit: capsule, deeply 5-lobed, obovoid, loculicidal; style persistent; pedicel reflexed. Seed: 1 per chamber. Etymology: (Guy-Crescent Fagon, French botanist, chemist, physician to Louis XIV, 1638--1718) Reference: Beier 2005 Syst Biodivers 3:221--263
Fagonia pachyacantha Rydb.
NATIVE Habit: Perennial herb; caudex woody. Leaf: leaflets < 25 mm, +- >= petiole, < 9 mm wide. Flower: +- 1.5 cm wide. Fruit: 5 mm wide, hairy, generally with some glands; style 2--3 mm, not or barely wider at base. Ecology: Flat, sandy or rocky habitats; Elevation: < 500 m. Bioregional Distribution: DSon; Distribution Outside California: to southwestern Arizona, Mexico. Flowering Time: Mar--May, Nov--Jan Synonyms: Fagonia californica subsp. pachyacantha (Rydb.) Wiggins Jepson eFlora Author: Duncan M. Porter Reference: Beier 2005 Syst Biodivers 3:221--263 Index of California Plant Names (ICPN; linked via the Jepson Online Interchange) Previous taxon: Fagonia laevis Next taxon: Kallstroemia
Botanical illustration including Fagonia pachyacantha
Citation for this treatment: Duncan M. Porter 2012, Fagonia pachyacantha, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=25739, accessed on April 19, 2024.
Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on April 19, 2024.
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(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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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).
