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Vascular Plants of California
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Rupertia rigida
PARISH'S RUPERTIA


Higher Taxonomy
Family: Fabaceae (Leguminosae)View DescriptionDichotomous Key
Common Name: LEGUME FAMILY
Habit: Annual to tree. Leaf: generally alternate, generally compound, generally stipuled, generally entire, pinnately veined Inflorescence: generally raceme, spike, umbel or head; or flowers 1--few in axils. Flower: generally bisexual, generally bilateral; hypanthium 0 or flat to tubular; sepals generally 5, generally fused; petals generally 5, free, fused, or lower 2 +- united into keel (see 3, Key to Groups, for banner, wings); stamens 10 or many (or [1], 5, 6, 7, 9), free or fused or 10 with 9 filaments at least partly fused, 1 (uppermost) free; pistil 1, ovary superior, generally 1-chambered, ovules 1--many, style, stigma 1. Fruit: legume, including a stalk-like base (above receptacle) or not. Seed: 1--many, often +- reniform, generally hard, smooth.
Genera In Family: +- 730 genera, 19400 species: worldwide; with grasses, requisite in agriculture, most natural ecosystems. Many cultivated, most importantly Arachis, peanut; Glycine, soybean; Phaseolus, beans; Medicago, alfalfa; Trifolium, clovers; many orns. Note: Unless stated otherwise, fruit length including stalk-like base, number of 2° leaflets is per 1° leaflet. Upper suture of fruit adaxial, lower abaxial. Anthyllis vulneraria L. evidently a waif, a contaminant of legume seed from Europe. Laburnum anagyroides Medik., collected on Mount St. Helena in 1987, may be naturalized. Ceratonia siliqua L., carob tree (Group 2), differs from Gleditsia triacanthos L. in having evergreen (vs deciduous) leaves that are 1-pinnate (vs 1-pinnate on spurs on old stems, 2-pinnate on new stems) with 2--5(8) (vs 7--17) 1° leaflets, commonly cultivated, now naturalized in southern California. Aeschynomene rudis Benth. , Halimodendron halodendron (Pall.) Voss (possibly extirpated), Lens culinaris Medik. are agricultural weeds. Caragana arborescens Lam. only cult. Ononis alopecuroides L. , Sphaerophysa salsula (Pall.) DC. all evidently extirpated. Cercidium moved to Parkinsonia; Chamaecytisus to Cytisus; Psoralidium lanceolatum to Ladeania.
eFlora Treatment Author: Martin F. Wojciechowski, except as noted
Scientific Editor: Martin F. Wojciechowski, Thomas J. Rosatti.
Genus: RupertiaView DescriptionDichotomous Key


Common Name: RUPERT'S SCURF-PEA
Habit: Perennial herb, unarmed, gland-dotted (especially leaves), hairy or not; caudexed, rhizomed, or stoloned, roots deep, woody, extensive. Stem: +- decumbent at base or erect. Leaf: odd-1-pinnate, cauline; stipules reflexed, deciduous; leaflets 3. Inflorescence: raceme, generally axillary, with 1 deciduous bract and 2--3 flowers per node. Flower: pedicelled; calyx conspicuously swollen in fruit; corolla cream to yellow; 9 filaments fused, 1 less so or free; ovary +- hairy, ovule 1, style tip bent, stigma head-like. Fruit: indehiscent, elliptic to depressed-obovate in outline, beaked or not. Seed: 1, reniform, smooth.
Species In Genus: 3 species: western North America, especially California. Etymology: (Rupert C. Barneby, botanist, 1911--2000)
eFlora Treatment Author: Martin F. Wojciechowski & James W. Grimes
Unabridged Reference: Grimes 1990 Mem New York Bot Gard 61:1--114
Rupertia rigida (Parish) J.W. Grimes
NATIVE
Habit: Plant hairy; caudex woody. Stem: erect, < 0.75 m; base purple. Leaf: stipule 4--10 mm, lance-linear or triangular; petiole 40--60 mm; leaflet 35--65 mm, lanceolate, with glands and hairs on both surfaces, much denser on upper. Inflorescence: bract 3--7 mm, deciduous; 1.5--2 mm. Flower: calyx 9--12 mm; banner 14--15 mm. Fruit: 9--13 mm, elliptic, golden-brown, smooth to faintly net-sculptured, with glands and red-brown hairs; beak < 3 mm, widely attached. Seed: 6.5--7 mm, red-brown.
Ecology: Woodland, chaparral, lower montane conifer forest; Elevation: < 2500 m. Bioregional Distribution: SCo, SnBr, PR; Distribution Outside California: Baja California. Flowering Time: May--Jun
Synonyms: Hoita rigida (Parish) Rydb.; Psoralea rigida Parish
Jepson eFlora Author: Martin F. Wojciechowski & James W. Grimes
Unabridged Reference: Grimes 1990 Mem New York Bot Gard 61:1--114
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Listed on CNPS Rare Plant Inventory

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Citation for this treatment: Martin F. Wojciechowski & James W. Grimes 2012, Rupertia rigida, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=42447, accessed on November 13, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on November 13, 2019.

Rupertia rigida
click for enlargement
© 2009 Thomas Stoughton
Rupertia rigida
click for enlargement
© 2008 Thomas Stoughton
Rupertia rigida
click for enlargement
© 2008 Thomas Stoughton
Rupertia rigida
click for enlargement
© 2008 Thomas Stoughton
Rupertia rigida
click for enlargement
© 2008 Thomas Stoughton
Rupertia rigida
click for enlargement
© 2008 Thomas Stoughton

More photos of Rupertia rigida in CalPhotos



Geographic subdivisions for Rupertia rigida:
SCo, SnBr, PR
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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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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.