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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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[Subshrub] shrub, tree, trunk bark smooth or scaly; glands 0 or embedded in epidermis. Leaf: opposite or alternate, persistent, generally glandular when young. Inflorescence: generally axillary, raceme, panicle, cyme, or flowers 1. Flower: generally bisexual, parts in 4s, 5s, generally ± white; hypanthium exceeding ovary or not; stamens generally many; ovary [rarely superior to] inferior, 2–5(18)-chambered; placentas axillary, just below top, or basal, ovules few to many, generally in 2–many series. Fruit: berry, capsule, nut. Seed: 1–many; coat membranous to ± leathery or hard, bony; embryo starchy or oily (of great taxonomic importance).
100 genera, ± 3500 species: many species tropical America, Australasia, fewer Africa, southern Asia; economically important for timber (Eucalyptus), spices (Syzygium aromaticum (L.) Merr. & L.M. Perry, cloves; Pimenta dioica (L.) Merr., allspice), edible fruits (Psidium guajava L., guava; Acca sellowiana (O. Berg) Burret, pineapple guava), many orns (Eucalyptus, Melaleuca, several other genera). [McVaugh 1968 Taxon 17:354–418] Apparently of Gondwanan origins; tropics, subtropics, Mediterranean climates. Chamelaucium uncinatum Schauer, Luma apiculata (DC.) Burret, Melaleuca citrina (Curtis) Dum.Cours., Myrtus communis L., Syzygium australe (Link) B. Hyland are waifs. —Scientific Editor: Thomas J. Rosatti.
Unabridged references: [McVaugh 1968 Taxon 17:354–418; Wilson et al. 2005 Plant Syst Evol 251:3–19]
Key to Myrtaceae
Shrub, small tree. Stem: erect; bark shed in flakes; trunk smooth. Leaf: opposite. Inflorescence: cyme, 3-flowered or flowers 1 in axils. Flower: hypanthium ± broadly vase-shaped; calyx lobes, petals 4, free; stamens many; ovary chambers 2, style 6–7 mm. Fruit: berry. Seed: (1)2–16, lenticular; coat membranous; cotyledons thin, planoconvex, ± = cylindric, embryonic stem.
2 species: Chile, western Argentina. (Indigenous Chilean name for some Myrtaceae) [Lucas et al. 2005 Plant Syst Evol 251:35–51]
Stem: 1.5–5(20) m, many-branched; trunk golden- to orange-brown, with ± white areas or not. Leaf: 1–4.5 cm, elliptic, ± round, or ovate, with a short, abrupt, flexible point, thinly leathery, dark green adaxially. Inflorescence: flowers generally 1 in axils. Flower: ± 12 mm wide; petals rounded, cream-white, pink-tinged, concave adaxially; stamens forming dense ring, < petals. Fruit: ± 12 mm wide, dark purple.
Uncommon. Cool coastal, urban areas; 100 m. Central Coast; native to Chile, western Argentina. Cult in California. [Online Interchange]
Previous taxon: Luma
Next taxon: Melaleuca
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Apr 17 2014
Citation for this treatment: [Author of taxon treatment] 2012. Luma, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=31673, accessed on Apr 17 2014
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