Higher Taxonomy
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.
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Pyracantha
Habit: Shrub, +- evergreen; thorns often leafy or branched. Leaf: simple, +- evergreen, margin generally rolled under, unlobed, entire to toothed; stipules early-deciduous; petiole short. Inflorescence: raceme or panicle at ends of short-shoots; pedicel bractlets 0. Flower: hypanthium bractlets 0; sepals persistent; petals white; stamens 20, fused at base; ovary 1/2-inferior, chambers 5. Fruit: pome, drupe-like, +- spheric or depressed-spheric, open at top, stones 5, free, 2-ovuled. Species In Genus: 10 species: Mediterranean, Asia. Etymology: (Greek: fire thorn, from fruit color, thorns) Note: Fruiting Jun--Apr. Jepson eFlora Author: Peter F. Zika Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)Key to Pyracantha
Previous taxon: Purshia tridentata var. tridentataNext taxon: Pyracantha angustifolia
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Citation for this treatment: Peter F. Zika 2012, Pyracantha, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=11259, accessed on January 25, 2025.
Citation for the whole project: Jepson Flora Project (eds.) 2025, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on January 25, 2025.
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