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AIZOACEAE FIG-MARIGOLD or ICEPLANT FAMILY

Nancy J. Vivrette, John Bleck & Wayne R. Ferren, Jr., family description, key to genera

Annual, perennial herb, shrub, generally fleshy. Stem: underground to erect; root fibrous or tuberous. Leaf: generally simple, entire, flat, cylindric, 3-angled, or scale-like, generally cauline, generally opposite; stipules generally 0; blade papillate, pubescent, or generally glabrous, often glaucous. Inflorescence: cyme or 1-flowered, generally terminal. Flower: generally bisexual, radial; hypanthium present; sepals (3)5(8), often unequal; petals 0 or many in several whorls, free or fused at base, linear; stamens 1–many, free or fused in groups, outer often petal-like; nectary a ring or separate glands; pistil 1, ovary superior to inferior, chambers 1–20, placentas generally parietal, styles 0–20. Fruit: berry, nut, or generally capsule, opening by flaps or circumscissile. Seed: 1–many per chamber, generally ovoid, arilled or not.
130 genera, 2500 species: generally subtropics, especially southern Africa; many cultivated. [Hartmann 2002 Illus Handbook Succulent Plants Aizoaceae A-E (Vol 1) and F-Z (Vol 2). Springer; Vivrette et al. 2003 FNANM 4:75–91] Galenia pubescens (Eckl. & Zeyh.) Druce, a waif, may be naturalizing in southern California. —Scientific Editors: Bruce G. Baldwin, Thomas J. Rosatti.
Unabridged references: [Ferren et al. 1981 Madroño 28:80–85; Smith 1998 Mesembs of the World. Briza.]
Unabridged note: Disphyma crassifolium (L.) L. Bolus (ovary glands convex, minute-crenate; stigmas dense-plumose; fruit chambers 5; seeds ovate, ± smooth), of tribe Ruschieae, an historical waif in California; Lampranthus coccineus (Haw.) N.E. Br.: (ovary glands fused; fruit chambers 5; seeds pear-shaped, ± black, rough), of Ruschieae, an historical waif or urban weed in California.

Key to Aizoaceae

MESEMBRYANTHEMUM ICEPLANT

Nancy J. Vivrette

Annual, biennial, glabrous. Stem: prostrate to ascending, cylindric, angled or winged, papillate. Leaf: alternate or opposite, petioled or not, cylindric or flat, ± red in age or stress, papillae prominent to flat, inconspicuous; bases of pair fused. Inflorescence: 1-flowered or cyme. Flower: sepals, petals free or fused at base; sepals (4)5, 2 often leaf-like; petals white; stamens many; nectar gland ± grooved; ovary 1/2-inferior, chambers (4)5(20), styles (4)5(20). Fruit: capsule, valves 5, dehiscing when moist. Seed: many, round, compressed, often D-shaped, minutely tubercled, light or dark red-brown.
15 species: southwestern Africa, Mediterranean, western Asia. (Greek: midday-blooming)
Unabridged references: [McVaugh 1974 Taxon 23:820–821]

Key to Mesembryanthemum

M. crystallinum L. CRYSTALLINE ICEPLANT
NATURALIZED
Stem: trailing, forked, < 1 m. Leaf: blade 2–20 cm, ovate to spoon-shaped, lower ± cordate. Inflorescence: cyme, ± sessile. Flower: hypanthium spheric, aging red; sepals 5, equal; petals aging pink. Fruit: course-papillate. Seed: brown, rough.
Common, coastal bluffs, cliffs, disturbed ground; < 100 m. North Coast, Central Coast, South Coast, Channel Islands; to Arizona, Mexico; also Mediterranean, South America, Australia, Africa; native to southern Africa. Reported from roadside in Sonoran Desert but not persisting. Mar–Oct {Weed listed by Cal-IPC} [Online Interchange]

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Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Dec 21 2014
Citation for this treatment: [Author of taxon treatment] 2013. Mesembryanthemum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=33362, accessed on Dec 21 2014

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Geographic subdivisions indicated for the distribution of Mesembryanthemum crystallinum Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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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).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.