Jepson eFlora: Taxon page
Vascular Plants of California
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Horkeliella congdonis


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: HorkeliellaView DescriptionDichotomous Key


Habit: Perennial herb, tufted, +- glandular; odor +- resinous. Stem: ascending to erect, 15--50(90) cm. Leaf: generally basal, odd-pinnately compound; leaflets 15--35 per side, +- overlapped, toothed to palmately divided, segments +- oblanceolate. Inflorescence: +- cyme; pedicels straight, bractlets 0. Flower: hypanthium cup-like, flat-bottomed, bractlets 5; sepals often reflexed; petals white or +- pink, midvein often +- red; stamens 20, filaments +- flat, often an erect tube; pistils many, ovaries superior, style attached below fruit tip, +- rough, thick. Fruit: achene, +- 1.5 mm.
Species In Genus: 2 species: California. Etymology: (Latin: small Horkelia) Note: Flower +- like Horkelia.
eFlora Treatment Author: Barbara Ertter
Horkeliella congdonis (Rydb.) Rydb.
NATIVE
Habit: Plant green, generally glandular-sticky. Leaf: basal generally 8--25 cm, leaflets 25--35 per side, generally 2--6 mm; cauline 2--7. Inflorescence: +- dense; pedicels generally +- 2 mm. Flower: +- 15 mm wide; sepals 4--8 mm; petals 3--6 mm, oblong-oblanceolate; anthers +- 1 mm, filaments 1.5--3 mm; style 2--5 mm.
Ecology: Meadows in sagebrush flats; Elevation: 1500--3100 m. Bioregional Distribution: c SNH (e slope), w SNE, DMtns (Coso Range). Flowering Time: Jul--Aug
Synonyms: Ivesia purpurascens (S. Watson) D.D. Keck subsp. congdonis (Rydb.) D.D. Keck
Jepson eFlora Author: Barbara Ertter
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Botanical illustration including Horkeliella congdonis

botanical illustration including Horkeliella congdonis

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Citation for this treatment: Barbara Ertter 2012, Horkeliella congdonis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=77210, accessed on October 15, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on October 15, 2019.

Horkeliella congdonis
click for enlargement
© 2005 Steve Matson
Horkeliella congdonis
click for enlargement
© 2001 Larry Blakely
Horkeliella congdonis
click for enlargement
© 2001 Larry Blakely
Horkeliella congdonis
click for enlargement
© 2005 Steve Matson
Horkeliella congdonis
click for enlargement
© 2001 Larry Blakely
Horkeliella congdonis
click for enlargement
© 2005 Steve Matson

More photos of Horkeliella congdonis in CalPhotos



Geographic subdivisions for Horkeliella congdonis:
c SNH (e slope), w SNE, DMtns (Coso Range).
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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.