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Tetragonia tetragonoides
NEW ZEALAND SPINACH

Higher Taxonomy
Family: AizoaceaeView DescriptionDichotomous Key

Common Name: FIG-MARIGOLD or ICEPLANT FAMILY
Habit: 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.
Genera In Family: 130 genera, 2500 species: generally subtropics, especially southern Africa; many cultivated. Note: Galenia pubescens (Eckl. & Zeyh.) Druce, a waif, may be naturalizing in southern California.
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.
eFlora Treatment Author: Nancy J. Vivrette, John Bleck & Wayne R. Ferren, Jr., family description, key to genera
Scientific Editor: Bruce G. Baldwin, Thomas J. Rosatti.
Genus: TetragoniaView Description 

Habit: Annual [perennial herb, subshrub]; +- papillate. Stem: prostrate. Leaf: alternate or sometimes basal opposite. Inflorescence: flowers 1 or 2--3 in cluster, axillary, +- sessile. Flower: sepals 3--5; petals 0; stamens 1--many; ovary inferior, chambers 3--9, ovule 1, styles 3--9. Fruit: nut-like, 8--10 mm diam, angled, with 2--5 horns. Seed: +- pear-shaped [reniform].
Species In Genus: 50 species: southern hemisphere. Etymology: (Greek: four-angled)
eFlora Treatment Author: Nancy J. Vivrette

Tetragonia tetragonoides (Pall.) Kuntze
NATURALIZED
Habit: Papillae widely spaced, large, crystalline. Stem: many, spreading, 3+ dm. Leaf: 2--5(10) cm; petiole winged, 1--3 cm; blade triangular-ovate, base truncate, margin entire, +- wavy. Flower: generally bisexual, self-fertile, 5 mm; sepals 4--5, spreading, +- yellow. Seed: pear-shaped, brown. Chromosomes: 2n=32.
Ecology: Common. Sand dunes, bluffs, margins of coastal wetlands; Elevation: < 100 m. Bioregional Distribution: NCo, CCo, SCo; Distribution Outside California: native to southern hemisphere. Flowering Time: Apr--Sep
Synonyms: Demidovia tetragonoides Pall.; Tetragonia expansa Murray
eFlora Treatment Author: Nancy J. Vivrette
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Citation for this treatment: Nancy J. Vivrette 2016. Tetragonia tetragonoides, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=99693, accessed on September 27, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on September 27, 2016.


Geographic subdivisions for Tetragonia tetragonoides:
NCo, CCo, SCo;
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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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.