Ecology Seminar today -- 4:10 (ISB 110) Amy Angert – Colorado St. Ecology and evolution of...
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Transcript of Ecology Seminar today -- 4:10 (ISB 110) Amy Angert – Colorado St. Ecology and evolution of...
![Page 1: Ecology Seminar today -- 4:10 (ISB 110) Amy Angert – Colorado St. Ecology and evolution of geographical range limits.](https://reader036.fdocuments.us/reader036/viewer/2022062712/56649c9a5503460f94957569/html5/thumbnails/1.jpg)
Ecology Seminar today -- 4:10 (ISB 110)
Amy Angert – Colorado St.
Ecology and evolution of geographical range limits
![Page 2: Ecology Seminar today -- 4:10 (ISB 110) Amy Angert – Colorado St. Ecology and evolution of geographical range limits.](https://reader036.fdocuments.us/reader036/viewer/2022062712/56649c9a5503460f94957569/html5/thumbnails/2.jpg)
Becky Fletcher
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Becky Fletcher
![Page 4: Ecology Seminar today -- 4:10 (ISB 110) Amy Angert – Colorado St. Ecology and evolution of geographical range limits.](https://reader036.fdocuments.us/reader036/viewer/2022062712/56649c9a5503460f94957569/html5/thumbnails/4.jpg)
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Wings = 2 unfused
Keel = 2, fused
calyx
bilateral symmetry
5 sepals
5 petals
Fabaceae – papilionaceous flowers
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Fabaceae - Pea/Bean family
Gynoecium
1 carpel = 1 ovary
superior ovary
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Fabaceae - Pea/Bean family
Fruit type (unique to family)
Legume
= dry, dehiscent fruit (1 carpel) splitting on 2 sutures
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Fabaceae - Pea/Bean family
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Lupinus - Lupines
palmately compound leaves
often silvery (hairy) foliage
showy terminal racemes
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Astragalus - Milkvetch
pinnately compound leaves
low-growing, foliage often silvery (hairy)
some poisonous/medicinal (locoweeds)
>50 native species!!
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Other notable native legumes
Dalea Thermopsis
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Vicia - Vetches
pinnately compound leaves
tendrils, vine-like habit
‘one-sided’ racemes
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Many non-native legumes have been introduced for hay, pasture and “green manure”
Trifolium(clovers)
Medicago(alfalfa)
Melilotus
Lotus
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Subclass Asteridae (aka Asterids)
Monocots BasalEudicots
Caryophyllids Rosids Asterids
Eudicots
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Subclass Asteridae (aka Asterids)
>50 families world-wide
monophyletic (shared, exclusive common ancestor)
diverse, but not as many woody species as Rosidae
more “advanced” or derived flowers
corollas often tubular (petals connate)
flowers often have bilateral symmetry
whorls often fused (adnate), but hypanthiums rare
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some local Asteridae
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Important Asterid families worldwide
Ebenaceae (Ebony)
Lecythidaceae (Brazil Nuts)
Sarraceniaceae (Pitcher Plants)
Theaceae (Tea/Camelia)
Rubiaceae (Coffee)
Convolvulacae (Sweet Potatoes)
Apocynaceae (Milkweeds)
Oleaceae (Olives)
Gesneriaceae (African Violets)
Aquifoliaceae (Hollies)
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Important Asterids in Montana
Families-to-know Genera-to-know
Ericaceae Campanula (Campanulaceae)
Polemoniaceae Cornus (Cornaceae)
Solanaceae Philadelphus (Hydrangaceae)
Boraginaceae Dodecatheon (Primulaceae)
Scrophulariaceae
Lamiaceae
Caprifoliaceae
Apiaceae
Asteraceae
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Today -- Woody families/genera in Asteridae
Ericaceae
Philadelphus
Cornus
Caprifoliaceae
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Ericaceae - Heath or Rhododendron family Wordwide distribution
130 genera, >2500 species
all regions, especially in montane habitats
Ecology/Life history
often woody perennials (shrubs), some herbs
strong associations with mycorrhizae
often grow in acid soils (bogs, conifer forests, etc.)
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Associations w/ Ericoid mycorrhizae (fungi)provide access to nutrients, especially Phosphorus
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Heath communitiesdominated by Ericaceae shrubs
Chaparral (California)
Fynbos (South Africa)
Montane Heath (Alberta)
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Ericaceae - Heath family In Montana
~15 genera, ~30 species
common, especially at higher elevations
Habit
perennial herbs
shrubs
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Woody Ericaceae (many evergreen)
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Herbaceaous Ericaceae
PyrolaAllotropa (Candystick)
Monotropa (Indian Pipe)Saprophytes/Parasites -- no chlorophyll, steal sugars from other plants or fungi
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Ericaceae - Heath family Leaves
simple
alternate (or opposite, whorled)
often dentate
sometimes evergreen
missing in saprophytes
Inflorescences
clusters, corymbs or racemes
Chimaphila (Prince’s Pine)
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Ericaceae - Heath family Flowers
bisexual
symmetry radial (most) or bilateral (ex. Rhododendron)
flowers often urn-shaped (urceolate) and pendulous
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Ericaceae - Heath family Sepals
usually 5 (may be fused)
Petals
5, connate (fused into tube)
Stamens
usually 10, distinct
may be adnate to corolla
Gynoecium
variable (2-10 fused carpels, inferior or superior)
always 1 style (hollow)
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Ericaceae - Heath family Fruit types
berry
capsule Rhododendron
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Vaccinium -- Huckleberry In Montana
~6 species
Habitat
open conifer woodlands
montane shrublands
Growth habit
shrubs (.2 - 2 m tall)
mostly deciduous (here)
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Vaccinium -- Huckleberry Flowers
connate (fused) calyx
urceolate corolla
ovary inferior
Fruit = berry
color variable
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Vaccinium -- Huckleberry Grizzly bear foods(by volume in scat)
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Arctostaphylos -- Bearberry In Montana
1 species here -- A. uva-ursi (aka Kinnickinnick)
genus name and specific epithet both mean “bear-grape”
Many others further West (aka manzanitas)
Habitat
open conifer woodlands
rocky areas
Growth habit
creeping shrub
*evergreen*
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Arctostaphylos -- Bearberry Flowers
connate calyx
urceolate corolla
ovary superior
Fruit = berry (drupe-like)
red fruit (mealy, not juicy)
seeds large relative to berry
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Caprifoliaceae - Honeysuckle family In Montana
5 genera, 14 species
mostly woody shrubs & vines
1 common herb (Linnaea)
Lonicera(Honeysuckle)
Sambucus(Elderberry)
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Caprifoliaceae - Honeysuckle family Leaves
opposite
simple or compound
Inflorescences
“umbel-like cyme” OR
a pair of flowers
=> twinflower, twinberry
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Caprifoliaceae - Honeysuckle family Flowers
regular (most) OR irregular (Lonicera)
often w/ bracts below
Sepals
5, fused
Petals
5, fused into tube
Stamens
4 or 5, epipetalous
Gynoecium
2-5 locules, 1 style
position variable (usually inferior)
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Caprifoliaceae - Honeysuckle family Fruit
berry (most), drupe (Viburnum) or capsule (Linnaea)
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Symphoricarpos - Snowberry - low shrubs of open woods
- deciduous, entire leaves
- short, tubular flowers
- fruit a 2-seeded berry or drupe
- white or pink, not tasty