Exam 1 pt ii Flashcards by Dorothy Joy

Rep. Genera:
Opuntia (prickly pear)
Cylindropuntia (cholla)

Cactaceae

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Habit: herbs & shrubs almost always succulent

Cactaceae

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Leaves: spines; born on areoles(short stems); glochids - fine hairs, probably derived from trichomes

Cactaceae

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Habit: many succulent stems/leaves; halophytic (salt tolerant); xerophytic (tolerant of dry areas)

Chenopodiaceae

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Rep. Genera:
Chenopodium
Atriplex
Salicornia

Chenopodiaceae

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Leaves: fleshy/reduced to scales; often w/conspicuous trichomes, glands or salt on surface
Flowers: green & inconspicuous

Chenopodiaceae

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Rep. Genera:
Dudleya
Sedum
Crassula ovata
Aeonium

Crassulaceae

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stonecrop family

Crassulaceae

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goosefoot family

Chenopodiaceae

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cactus family

Cactaceae

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Habit: succulent & gen herbaceous.
Leaves: simple, entire, fleshy; often in rosettes (basal) or dense clusters; margin often red.
Gynoecium: pistils unfused (apocarpous), gen 5.

Crassulaceae

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Rep. Genera:
Geranium
Pelargonium
Erodium

Geraniaceae

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Leaves: gen w/essential oils, highly fragrant; often lobed/highly dissected.

Gynoecium: pistils gen 5, syncarpous, form 5-chambered ovary; gynoecium forms elongated “beak” at distal end.

Fruit: capsule(s), beak shape; metro carps 5.

Geraniaceae

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Rep. Genera:
Clarkia
Camissonia/Camissoniopsis
Oenothera
Epilobium
Fuschia

Onagraceae

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Calyx: sepals gen 4.

Corolla: petals gen 4.

Androecium: 2x or = # stamens to petals, distinct or adnate to hypanthium.

Gynoecium: pistil 1, 4-chambered inferior ovary; style 1, stigma lobes gen 4 (= # sepals).

Onagraceae

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Rep. Genera:
Poa (meadow/bluegrass)
Bambusa (bamboo)
Saccharum (sugar cane)
Zea (corn)

Poaceae

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Leaves: simple, alt, 2-ranked; parallel veined; gen linear; ligule (projection of leaf sheath) at leaf base; sheath open.

Stems: round, internodes hollow, nodes cauline, basal meristems.

Flowers: minute(very small), on infl.

And: stamens gen 3.

Gyn: stigmas 2, gen plumose (fluffy).

Fruit: grain (caryopsis)- seed fused to fruit wall.

Poaceae

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graminaceae; grass family

Poaceae

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evening primrose family

Onagraceae

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sedge family

Cyperaceae

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Rep Genera:
Cyperus
Scirpus
Carex

Cyperaceae

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Habit: gen herb perennial in wet places.

Leaves: blade 0/simple, alt, 3-ranked; parallel veined, gen linear; no ligule, sheath closed.

Stems: 3-sided, gen solid (not hollow like grasses).

Flowers: minute, on infl.

And: stamens gen 3.

Gyn: stigmas 2, gen plumose.

Cyperaceae

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Sedges have \_\_\_\_, 
Rushes are \_\_\_\_, 
& Grasses are \_\_\_\_, 
(or have nodes)
all the way to the ground.

edges,
round,
hollow

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Rep Genera:
Juncus
Luzula

Juncaeae

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Habit: gen herbaceous perennial in wet places. Leaves: shear margins w/'ear-like' projections. Stems: round & solid. Perianth: petals & sepals 6, similar (tepals); brown +/- purple black. And: stamens gen 6 (2,3).

Juncaceae

Flowers: infl spike-like or spherical; staminate fls distal; pistillate fls proximal; fls densely packed.

Typhaceae

Rep. Genera: Salix (willow) Populus (cottonwood)

Salicaceae

Rep. Genera: Salix (willow) Populus (cottonwood)

Salicaceae

Habit: shrub or tree, perennial, diecious (monoecious). Leaves: trunk

Salicaceae

Habit: shrub or tree, perennial, diecious (monoecious). Leaves: trunk

Salicaceae

Rep. Genera: Euphorbia Ricinus

Euphorbiaceae

Rep. Genera: Euphorbia Ricinus

Euphorbiaceae

Rep Genera: Malva (mallow) Fremontodendron (flannelbush) Hibiscus

Malvaceae

Leaves: gen palmately lobed/veined, stellate trichomes (stem too). And: stamens 5-many, filaments fuse into tube around style. Fruit: 5-many part disk/wedge-shaped segments (mericarps). Ex - 'cheeseweed'.

Malvaceae

``` Rep Genera: Ceanothus *2 sub-genera: 1) Euceanothus/Ceanothus 2) Cerastes Rhamnus (buckthorn) Frangula (coffee berry) ```

Rhamnaceae

Leaves: stipules gen present (*ID for Ceanothus sub-genera). Flowers: floral disc (variable to 0). Corolla: petals 0,4,5, gen clawed (spoon-shape), alt sepals. And: stamens = # sepals, alt sepals ('opp petals'). Gyn: ovary superior or inferior.

Rhamnaceae

buckthorn family

Rhamnaceae

gourd family

Curcurbitaceae

mallow family

Malvaceae

Rep Genera: Curcurbita (pumpkins/gourds) Marah (Indian cucumbers, manroots)

Curcurbitaceae

Habit: herbaceous vines w/tendrils. Leaves: simple, alt, palmately veined, hairs (stem too). Flowers: unisexual, plants gen monoecious. Corolla: gen 5, partly fused. And: stamens 5, fuse to form large central 'lobe/stalk'. Gyn: ovary large, inferior. Fruit: pepo (berry w/thick rind).

Curcurbitaceae

Rep. Genera: Rosa (roses) Prunus (stonefruit) Malus (apple)

Rosaceae

Leaves: often stipulate (can be fused), sometimes in fascicles. Flowers: hypanthium present. Calyx: sepals gen 5, free. Corolla: petals gen 5, free. And: stamens 5, 10-many. Gyn: ovary superior to inferior. Fruit: highly variable - achene/drupe/pome/follice/aggregate.

Rosaceae

Corolla: petals gen 5, free/fused or lower 2 united into keel. And: often 9+1, w/9 often fused (diadelphous = stamens fused into 2 groups). Fruit: legume (opens along 2 sutures. Mimosoideae: INFL spike/head - often fuzzy sphere of stamens.

Fabaceae

banner, keel, wings

Fabaceae

legume family

Fabaceae

3 sub-families of Fabaceae

1) Caesalpinioideae (senna) 2) Papilionoideae (pea) 3) Mimosoideae (mimosa)

spurge family

Euphorbiaceae

cruciferaceae/ mustard family

Brassicaceae

rush family

Juncaceae

willow family

Salicaceae

Calyx: sepals 4, free. Petals: 4(0), form a cross (Cruciferae name source). And: if 6 = gen 4 long + 2 short (occ 3 pairs uneven length). Fruit: capsules: silicle (short /= 3x width).

Brassicaceae

cattail family

Typhaceae

gourd family

Curcurbitaceae

Habit: some succ, mostly old world family, many w/milky sap. Flowers: small/inconspicuous, unisexual (gen monoecious), INFL diverse/variable; *cyathia* - coloration provided by bracts (eg. poinsettia). Gyn: ovary superior, deeply 3-lobed. Fruit: capsule, gen 3-chambered, 1 seed per chamber - 3 lrg seeds in many spp.

Euphorbiaceae

a) flowers large/showy | b) no true petals/sepals

a) Cactaceae | b) Euphorbiaceae

Rep Genera: Brassica (mustard) Raphanus (radish)

Brassicaceae

Rep Genera: Malva (mallow) Fremontodendron (flannelbush) Hibiscus

Malvaceae

``` Rep Genera: Ceanothus *2 sub-genera: 1) Euceanothus/Ceanothus 2) Cerastes Rhamnus (buckthorn) Frangula (coffee berry) ```

Rhamnaceae

buckthorn family

Rhamnaceae

Exam 1 pt ii Flashcards

(62 cards)