Very Important Rosids

Rosids Many families in Utah Lab: skipping lots of families with few genera in Utah Some are included in this overview

Zygophyllales: Zygophyllaceae Name means ‘twin leaf’ Trees, shrubs, herbs, woody stems jointed Lvs opp, 2-ranked, oft even-pinnate Rad: K 5 C 5 A G 2-5 Southern Utah: Larrea Here: Tribulus

Oxalidaceae Best known here for what is sold as shamrock – Oxalis Caramobola, Star fruit Oxalic acid

Celastraceae One native, lots of ornamentals Paxistima – good browse species? Early flowering

Euphorbiaceae

Violaceae

Salicaceae

Fabaceae Third largest family with 18,000 High nitrogen metabolism, often symbiotic with bacteria Lvs alt, usually compound Inflorescence usually indeterminate Flowers varied, fruit rather constant

Fabaceae (cont). Sometimes (inc. Shaw) as 3 families, sometimes as Leguminosae (Welsh) Rad or Bil, Hypanthium, K 5cn C 5 A (5,9)10-many G 1 LEGUME Faboidae: papilionaceous flower Banner, wing, keel

Rosaceae Hypanthium, radial symmetry, lots of stamens Flower more or less constant, fruit varies Herbs, shrubs, trees Lv alt, with stipules, simple or compd, often with gland tipped teeth

Rosaceae (Cont) Fruits eaten, also many ornamentals Rad. K 5 C 5 A many G ???? Groups: Spiraea type: Superior ovary, several separate carpels, capsules Rose type: Superior ovary, several separate carpels, achenes FLESHY HYPANTHIUM

More Rosaceae Raspberry type: Superior ovary, several separate carpels, drupelets Strawberry type: Superior ovary, several separate carpels, achenes, fleshy receptacle Plums: INFERIOR ovary, 1 carpel, 1 seed, drupe