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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
[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, s 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, subtrop, Medit 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
Leaf: opposite, each pair at right angles to pairs above; linear, awl-shaped [ lanceolate, oblong, or ovate].
Flower: parts in 5s; perianth parts free; hypanthium obconic to cylindric-obconic, exceeding ovary; petals white, pink, purple or yellow; stamens ± 10, staminodes 0 or ± 10, stamen, staminode filaments united into a short tubular ring; ovary 1-chambered; style extending to or beyond stamens, with ring of hairs just below stigma; ovules 4–8.
Fruit: nut, chambers 1.
Seed: 1, winged or not.
± 13 species: Australasia. (Greek: dwarf, white) [Lam et al. 2002 Austral Syst Bot 15:535–543]
Plant to 3 m, glabrous.
Leaf: 1.6–4 cm, 0.5–1 mm wide, linear or awl-shaped, glandular, midvein impressed adaxially, tip mucronate, often downcurved; veins inconspicuous.
Inflorescence: raceme-like, ± flat-topped cluster or flowers 1 in axils of leaves or often deciduous bracts.
Flower: < 2 cm wide, peduncles 4–12 mm; calyx lobes 0.5–1 mm, broadly rounded; petals 4–5 mm, ± round, spreading, white, pink, or purple, ephemeral; stamens 10, 1–2 mm, alternate staminodes; style ± 4 mm. s South Coast (San Diego Co.);
Previous taxon: Chamelaucium
Next taxon: Eucalyptus
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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Chart based on elevation range in Manual and elevations and coordinates of CCH records.
Data provided by the participants of the Consortium of California Herbaria.
Note: About half of the CCH records include both elevation and coordinates.
| Data provided by the participants of the Consortium of California Herbaria.
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