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Vascular Plants of California
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Ivesia aperta var. canina
DOG VALLEY IVESIA


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 ornament, 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: IvesiaView DescriptionDichotomous Key

Habit: Perennial herb, glandular; odor resinous. Leaf: generally basal, odd-1-pinnately compound, generally +- cylindric; cauline generally alternate, reduced; leaflets 4--80 per side, generally overlapped, generally divided +- to base. Inflorescence: cyme; pedicel bractlets 0. Flower: receptacle generally not stalked; hypanthium shallow or deep, bractlets (0)5, generally < sepals; petals generally 5, 1--5(7) mm, linear to obovate or round, acute to rounded; stamens 5--20(40), filaments generally thread-like; pistils 1--8(20), ovary superior, style attached below fruit tip, base +- rough-thickened. Fruit: achene.
Species In Genus: 30 species: western North America. Etymology: (Eli Ives, Yale University, Connecticut pharmacologist, 1779--1861) Note: Leaf, leaflet data for basal leaves.
eFlora Treatment Author: Barbara Ertter
Reference: Ertter & Reveal 2007 Novon 17:315--325
Unabridged Reference: Ertter 1989 Syst Bot 14:231--244
Species: Ivesia apertaView Description 


Habit: Plant tufted, +- green or white-hairy; caudex 0--few-branched. Stem: 15--45 cm. Leaf: 10--20 cm; sheathing bases densely strigose; leaflets 20--35 per side, lobes < 5, 3--15 mm, elliptic to oblanceolate; cauline leaves 3--8. Inflorescence: open; clusters many, +- head-like, 10--20 mm wide; pedicels generally < 3 mm (except lowest), straight. Flower: 5--15 mm wide; hypanthium length <= width; petals < to > sepals, yellow; stamens generally 20; pistils 2--7. Fruit: 2--3 mm, smooth, brown.

Ivesia aperta (J.T. Howell) Munz var. canina Ertter
NATIVE
Stem: decumbent to ascending. Inflorescence: clusters generally < 10-flowered. Flower: hypanthium 4--5 mm wide; petals generally 4--7 mm, +- obovate; filaments 2--4 mm; style 3--4 mm.
Ecology: Dry, rocky meadows, generally volcanic soils; Elevation: 1600--2000 m. Bioregional Distribution: n SNH (Dog Valley, e Sierra Co.). Flowering Time: Jun--Aug
Jepson eFlora Author: Barbara Ertter
Reference: Ertter & Reveal 2007 Novon 17:315--325
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)
Listed on CNPS Rare Plant Inventory

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Botanical illustration including Ivesia aperta var. canina

botanical illustration including Ivesia aperta var. canina

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Citation for this treatment: Barbara Ertter 2012, Ivesia aperta var. canina, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=60273, accessed on May 23, 2022.

Citation for the whole project: Jepson Flora Project (eds.) 2022, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on May 23, 2022.

Ivesia aperta var. canina
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© 2012 Gary A. Monroe
Ivesia aperta var. canina
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© 2010 Neal Kramer
Ivesia aperta var. canina
click for enlargement
© 2005 Steve Matson
Ivesia aperta var. canina
click for enlargement
© 2012 Gary A. Monroe
Ivesia aperta var. canina
click for enlargement
© 2012 Gary A. Monroe
Ivesia aperta var. canina
click for enlargement
© 2005 Steve Matson

More photos of Ivesia aperta var. canina in CalPhotos



Geographic subdivisions for Ivesia aperta var. canina:
n SNH (Dog Valley, e Sierra Co.).
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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).





 

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.
Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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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).