English: Miner's lettuce family.
Clades:
Portulacales;
Caryophyllidae;
Asteranae;
Angiospermae;
Plants.
Botany: 14 genera; 500 species; herbs, shrubs; cosmopolitan.
TaxonomyMontiaceae sensu Nyffeler & Eggli, 2010. Most members of
Montiaceae were formerly placed in
Portulacaceae. Portulacaeae recently had only Portulaca included. Later it is fused with Didieraceae.
Plant theoryIn the
Plant theory Montiaceae is treated as a separate family in
Portulacales. It is placed in
Subphase 3 for there is confirmation form cases.
Genera: Calandrinia, Calyptridium, Cistanthe, Claytonia, Hectorella, Lenzia, Lewisia, Lewisiopsis, Lyallia, Montia, Montiopsis, Parakeelya, Phemeranthus, Philippiamra, Schreiteria.
Taxonomy1. Montioideae
1A. Montieae
1A1. Montiinae
1A1a. Montia
1A1b. Claytonia
1A2. Lewisia
1A3. Lewisiopsis
1B. Calandrinia
1C.
Hectorelleae1C1. Hectorella
1C2. Lyallia
1D. Rumicastrum
2. Cistantheae
2A. Cistanthe
2B. Montiopsis
2C. Calyptridinae
2C1. Lenzia
2C2. Thingia
2C3. Calyptridium
2C4. Philippiamra
3. Phemerantheae
3A. Phemeranthus
3B. Schreiteria
BotanyFlowers:sessile or pedicellate, usually bisexual, actinomorphic.
Sepals: 2–9, often dry and persistent in fruit.
Petals: 4–5 or up to 19 (Lewisia), usually free but sometimes basally connate.
Stamens: as many as petals or numerous (to 100).
Ovary: superior, 1-locular with 2–8 united carpels
Fruit: 2–3-valved capsules, valves persistent (rarely deciduous) or basally circumscissile, or 1-seeded utricles, dehiscent or not, or 1–2-seeded indehiscent capsules disintegrating with time, sometimes with deciduous calyptra.
Seed: often minutely papillate, with strophiole or elaiosome.