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Geum aleppicum
ALEPPO OR YELLOW AVENS

Higher Taxonomy
Family: RosaceaeView DescriptionDichotomous Key

Common Name: ROSE FAMILY
Habit: Annual to tree, glandular or not. Leaf: simple to palmately or pinnately compound, generally alternate; stipules free to fused (0), persistent to deciduous. Inflorescence: cyme, raceme, panicle, cluster, or flowers 1; bractlets on pedicel ("pedicel bractlets") generally 0--3(many), subtended by bract or generally not. Flower: generally bisexual, radial; hypanthium free or fused to ovary, saucer- to funnel-shaped, subtending bractlets ("hypanthium bractlets") 0--5, alternate sepals; sepals generally 5; petals generally 5, free; stamens (0,1)5--many, anther pollen sacs generally 2; pistils (0)1--many, simple or compound, ovary superior to inferior, styles 1--5. Fruit: 1--many per flower, achene (fleshy-coated or not), follicle, drupe, or pome with generally papery core, occasionally drupe-like with 1--5 stones. Seed: generally 1--5 (per fruit, not per flower).
Genera In Family: 110 genera, +- 3000 species: worldwide, especially temperate; many cultivated for ornamental, fruit, especially Cotoneaster, Fragaria, Malus, Prunus, Pyracantha, Rosa, Rubus. Note: Number of teeth is per leaf or leaflet, not per side of leaf or leaflet, except in Drymocallis.
eFlora Treatment Author: Daniel Potter & Barbara Ertter, family description, key to genera; treatment of genera by Daniel Potter, except as noted
Scientific Editor: Daniel Potter, Thomas J. Rosatti.
Genus: GeumView DescriptionDichotomous Key

Habit: Perennial herb from thick caudex or elongate rhizome. Stem: ascending to erect, generally hairy. Leaf: generally basal, generally odd-1-pinnately compound, upper cauline simple or not; leaflets lobed, alternately large, small, teeth uneven. Inflorescence: generally cyme, open; pedicel bractlets 0. Flower: hypanthium shallow, bractlets generally 5; stamens > 20; pistils many, ovary superior, continuous to style. Fruit: achene, ovoid to fusiform, +- flat; style elongated, persistent.
Species In Genus: 40--50 species: generally northern temperate, arctic. Etymology: (Latin: ancient name)
eFlora Treatment Author: Joseph R. Rohrer

Geum aleppicum Jacq.
NATIVE
Habit: Plant tufted, drying black-green. Stem: 30--120 cm. Leaf: 10--40 cm; main leaflets 1--4 per side, largest nearly = lobes of terminal; terminal leaflet 5--10 cm, generally 3-lobed nearly to base, sharp-toothed. Inflorescence: 3--7(10)-flowered; pedicels hairy, nonglandular. Flower: rotate, generally erect; hypanthium bractlets 2--4 mm, lance-linear; sepals reflexed, 4--8 mm; petals 4--9 mm, ovate-round, yellow, deciduous. Fruit: body 4--5 mm; style 3--6 mm, hooked below deciduous tip, with few bristles at base, nonglandular. Chromosomes: 2n=42.
Ecology: Meadows; Elevation: 1000--1600 m. Bioregional Distribution: n CaRH (Mount Shasta), MP; Distribution Outside California: to northern and eastern North America, Mexico, Eurasia. Flowering Time: Jun--Aug
Synonyms: Geum strictum Aiton
eFlora Treatment Author: Joseph R. Rohrer
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory

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Next taxon: Geum macrophyllum

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Citation for this treatment: Joseph R. Rohrer 2016. Geum aleppicum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=26825, accessed on August 29, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on August 29, 2016.


Geum aleppicum
click for enlargement
© 2015 Barry Breckling
Geum aleppicum
click for enlargement
© 2015 Barry Breckling

More photos of Geum aleppicum in CalPhotos


Geographic subdivisions for Geum aleppicum:
n CaRH (Mount Shasta), MP;
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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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.