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Published byBridget Lily Carson Modified over 9 years ago
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Utah Flora BOT2100 Gymnosperms Cupressaceae Distinguishing Characters: A.Fleshy cones B. scale-like leaves
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Utah Flora BOT2100 Gymnosperms Pinaceae Distinguishing Characters: A.needle-like leaves in groups of 1 to 5 B. woody cones with large bracts
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Utah Flora BOT2100 Gymnosperms Ephedraceae Distinguishing Characters: A.shrubs, exclusively B.Opposite or whorled, scale-like leaves C.Leaves are deciduous D.Scale-like cone bracts, not woody
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Utah Flora BOT2100 Monocots Liliaceae Distinguishing Characters: A.carpels, petals, sepals in 3’s, fruit a capsule B.Tepals not petals or sepals C.Often the tepals are petaloid (colored) D.Leaves basal, alternate (sometimes whorled) E.Parallel leaf veins F.One seed leaf (cotyledon)
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Utah Flora BOT2100 Monocots PoaceaeGraminae Distinguishing Characters: A.Parallel leaf veins B.One seed leaf (cotyledon) C.Flowers in spikelets, arranged in spikes or panicles D.Sepaloid bracts called glumes (2) in a floret E.Ovary enclosed by bracts called lemma & palea F.Caryopsis – dry fruit of 2 locules that is fused entirely to the embryo
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Utah Flora BOT2100 Dicots Ranunculaceae Distinguishing Characters: A.Irregular and regular flowers; petals free, sometimes absent (sometimes spurred) B.When absent, sepals petaloid (often spurred) C. petals 5, sepals 5, many stamens D.fruit achenes or follicles (a fruit made from 1 carpel and dehiscent along 1 line) E.Leaves alternate (rarely opposite); simple to pinnately or palmately compound; margins entire to lobed
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Utah Flora BOT2100 Dicots Boraginaceae Distinguishing Characters: A.Regular flowers, petals fused B.Petals, 5 lobed, sepals 5, stamens 5 C.fruit of 4, 1 seeded nutlets (dry, hard, indehiscent) D.Leaves alternate, often basal, simple, margins entire to pinnately lobed
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Utah Flora BOT2100 Dicots Hydrophyllaceae Distinguishing Characters: A.Regular flowers, petals fused B.Petals 5 lobed, 5 sepals, 5 stamens C.fruit a capsule D.leaves mostly alternate, some basal, simple to pinnately compound, margins entire to pinnately lobed
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Utah Flora BOT2100 Dicots Lamiaceae Labiatae Distinguishing Characters: A.Irregular flowers, fused petals B.Petals 5 lobed (2-lipped or bilabiate), 5 sepals 2-4 stamens C.fruit of 4, 1 seeded nutlets D.Square stems (mostly); E.leaves opposite, somtimes whorled, simple to pinnately or palmately compound, margins entire, lobed or toothed
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Utah Flora BOT2100 Dicots Scrophulariaceae Distinguishing Characters: A.Irregular flowers, petals fused B.Petals 5 lobed (2-lipped or bilabiate), 5 sepals 4-5 stames, when 5 stamens, one is infertile (staminode) C.fruit a capsule D.Leaves alternate or opposite, simple, margins entire to pinnately lobed
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Utah Flora BOT2100 Dicots Brassicaceae Cruciferae Distinguishing Characters: A.Regular flowers, petals separate B.4 petals (cruciform, cross-shaped), 4 sepals 4-6 stamens C.Silique- pod that is many times longer than wide Silicle- pod that is nearly as long and wide (roundish) -pod made from 2 carpels, always superior, divided into two partitions by a replum (thin papery divider) D. Leaves alternate or basal, simple to pinnately compound, margins entire to lobed
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Utah Flora BOT2100 Dicots Polemoniaceae Distinguishing Characters: A.Regular flowers, petals fused B.Petals 5 lobed, 5 sepals, 5 stamens C.Fruit a capsule D.Leaves alternate, simple to pinnately compound, sometimes palmately compound, margins entire to lobed
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Utah Flora BOT2100 Dicots Fabaceae Leguminosae Distinguishing Characters: A.Irregular, petals separate an fused B.5 petals, 3 petals are free (Banner and 2 wings) 2 petals are fused (keel), 5 sepals 5 or 10, when 10, they can have fused or separate filaments C. Fruit a legume pod made of 2 carpels that dehisces along 2 lines (no replum) D. Leaves alternate, mostly pinnately or palmately compound, margins often entire
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Utah Flora BOT2100 Dicots Onagraceae Distinguishing Characters: A.regular, petals separate B.4 petals, 4 sepals, 4 or 8 stamens C.fruit a capsule, ovary inferior D.Leaves alternate, opposite, whorled and basal, simple, margins entire to pinnately lobed
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Utah Flora BOT2100 Dicots Apiaceae Umbelliferae Distinguishing Characters: A.regular, petals free flowers in compound umbels B. 5 petals, 5 sepals, 5 stamens (often exserted) C.fruit a schizocarp (dry indehiscent fruit, not hard, that splits into 2 or many, 1 seeded segments), inferior ovary D.Leaves alternate, often compound, margins entire to pinnately lobed
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Utah Flora BOT2100 Dicots Malvaceae Distinguishing Characters: A.regular, petals free B.5 petals, 5 sepals, many stamens, filaments fused into a tube C.fruit a schizocarp made from many carpels, superior ovary D.Leaves alternate, simple to compound, always palmately lobed or divided
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Utah Flora BOT2100 Dicots Polygonaceae Distinguishing Characters: A.regular, tepals free or fused flowers in umbels or racemes B. perianth of 5 or 6 tepals, flowers are arranged in 4 or 5 lobed involucres C.fruit an achene, superior ovary D.leaves alternate or basal, always simple, entire
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Utah Flora BOT2100 Dicots Chenopodiaceae Distinguishing Characters: A.flowers regular, mostly imperfect, tepals free B.perianth of 5 tepals, 5 stamens C.fruit an achene or a utricle (dry, hard, 1 seeded fruit, nut-like) D.leaves alternate, simple, entire to pinnately lobed, sometimes reduced to succulent or bract-like scales
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Utah Flora BOT2100 Dicots Rosaceae Distinguishing Characters: A.regular, petals free B.5 petals, 5 sepals, calyx fused into a hypanthium, stamens many, ovary mostly superior, rarely inferior (as in Malus, apples, or Amelanchier) C.Fruit achenes or drupes when ovary is superior; Pomes when ovary is inferior D. leaves alternate, simple to palmately or pinnately compound, margins entire to lobed
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Utah Flora BOT2100 Dicots AsteraceaeCompositae Distinguishing Characters: A.Ray flowers are irregular, fused Disk flowers are regular, fused arranged in involucres with bracts called phyllaries B.Petals 5 lobed, calyx modified into pappus C.Fruit an achene, ovary inferior D.leaves alternate, opposite or basal, simple to pinnately compound, mostly entire, sometimes lobed
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