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.
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. 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
Ivesia longibracteata Ertter
NATIVE Habit: Plant tufted, green; caudex 0--few-branched. Stem: ascending to erect, 3--12 cm. Leaf: generally 2--4 cm, +- flat; sheathing bases +- ciliate; leaflets 4--6 per side, lobes 2--7, 2--6 mm, +- oblanceolate; cauline leaves 1--3. Inflorescence: loosely head-like, 10--20 mm wide, 3--14-flowered; pedicels 2--6 mm, straight. Flower: 8--10 mm wide; hypanthium length < l/2 width, bractlets > sepals (unique in Ivesia); petals 1.5--2.5 mm, +- = sepals, +- linear, pale +- yellow; stamens 5; pistils 6--11. Fruit: 1--1.5 mm, +- veined, pale. Ecology: Granite crevices; Elevation: 1200--1400 m. Bioregional Distribution: e KR (Castle Crags). Flowering Time: Jun--Jul 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 Previous taxon: Ivesia kingii var. kingii Next taxon: Ivesia lycopodioides
Botanical illustration including Ivesia longibracteata
Citation for this treatment: Barbara Ertter 2012, Ivesia longibracteata, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=29449, accessed on November 09, 2024.
Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on November 09, 2024.
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(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).
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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
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).
