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Vascular Plants of California
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Lathyrus vestitus var. vestitus


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: LathyrusView DescriptionDichotomous Key

Common Name: WILD PEA
Habit: Annual, perennial herb, unarmed, glabrous or hairy (glandular), generally rhizomed. Stem: sprawling, climbing, or erect; angled, flanged, or winged. Leaf: generally even-1-pinnate; stipules persistent, upper lobe > lower; main axis ending as tendril or short bristle; leaflets +- rolled in bud, 0--16 (if 0, stipules leaflet-like), +- opposite or alternate, linear to widely ovate. Inflorescence: raceme, generally axillary, 1--many-flowered. Flower: upper calyx lobes generally <, wider than lower; corolla 8--30 mm, pink-purple or pale, occasionally white or yellow; 9 filaments fused, 1 free; style +- flat, puberulent near +- middle for +- 1/3--1/2 adaxially. Fruit: dehiscent, oblong, +- flat.
Etymology: (Ancient Greek name) Toxicity: Seeds of most alien species. TOXIC to humans, livestock (especially horses). Note: Some species variable, intergrading with others; some hybridization probable. Lathyrus aphaca L. (leaflets 0, stipules leaflet-like) not naturalized in California.
eFlora Treatment Author: Kelly Steele & Duane Isely
Reference: Broich 2007 Madroño 54:63--71
Unabridged Reference: Broich 1987 Syst Bot 12:139--153; Broich 2007 Madroño 54:63--71; Kenicer et al. 2005 Amer J Bot 92: 1199--1209.
Species: Lathyrus vestitusView Description 


Habit: Perennial herb. Stem: often sharply angled or flanged. Leaf: stipules small, entire to wide, wavy-margined; leaflets generally 8--12, 2--4.5 cm, linear to elliptic; tendril branched, coiled. Inflorescence: 8--15-flowered, often dense. Flower: calyx tube < or > lower lobes (lower lobes in some phases +- wider above base); banner bent or reflexed +- 90° or more. Fruit: glabrous or initially puberulent. Chromosomes: 2n=14.
Note: Intergrading complex of taxa, local variants (see Broich, 1987).
Lathyrus vestitus Nutt. var. vestitus
NATIVE
Habit: Plant glabrous or puberulent. Flower: corolla 14--18 mm, pale lavender to purple, banner bent +- 90°.
Ecology: Conifer forest in north to chaparral and oak woodland in south; Elevation: < 1500 m. Bioregional Distribution: NCo, NCoR, CW, SW. Flowering Time: Feb--Jul Note: Variable; may hybridize with Lathyrus jepsonii var. californicus.
Synonyms: Lathyrus laetiflorus Greene; Lathyrus laetiflorus subsp. barbarae (T.G. White) C.L. Hitchc.; Lathyrus vestitus subsp. bolanderi (S. Watson) C.L. Hitchc., in part; Lathyrus vestitus subsp. laetiflorus (Greene) Broich; Lathyrus vestitus subsp. laevicarpus Broich; Lathyrus vestitus subsp. puberulus (Greene) C.L. Hitchc.
Jepson eFlora Author: Kelly Steele & Duane Isely
Reference: Broich 2007 Madroño 54:63--71
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

Previous taxon: Lathyrus vestitus var. ochropetalus
Next taxon: Lens

Botanical illustration including Lathyrus vestitus var. vestitusbotanical illustration including Lathyrus vestitus var. vestitus


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Citation for this treatment: Kelly Steele & Duane Isely 2012, Lathyrus vestitus var. vestitus, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=75728, accessed on December 02, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on December 02, 2024.

Lathyrus vestitus  
var. vestitus
click for image enlargement
©2023 Barry Rice
Lathyrus vestitus  
var. vestitus
click for image enlargement
©2019 Neal Kramer
Lathyrus vestitus  
var. vestitus
click for image enlargement
©2012 Neal Kramer
Lathyrus vestitus  
var. vestitus
click for image enlargement
©2012 Neal Kramer
Lathyrus vestitus  
var. vestitus
click for image enlargement
©2008 Neal Kramer

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Geographic subdivisions for Lathyrus vestitus var. vestitus:
NCo, NCoR, CW, SW.
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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 occurrence).






 

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 Flowering-Fruiting Monthly Counts

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).