Currants and Raspberries Flashcards
1
Q
A
Ribes americanum
- fruits make a delicious jam.
- no thorns at the nodes.
2
Q
A
Spirea tomentosa
- Leaves that are densely tomentose and covered with dense, wooly, thick hairs.
- tall, pyramid-shaped showy pink inflorescenses.
- likes wet, open habitats.
3
Q
A
A**grimonia gryposepala
Rosaceae
- glandular-hairy inflorescense stalks and large, half-inch fruits.
- hooked bristles cover the fruits.
4
Q
A
Hammamelis virginiana
- blooms in fall, with flowers persisting through the winter.
- long, thin yellow petals that are “straplike” and might even look more like stamens than petals.
-
5
Q
A
Heuchera richardsonii
- long, leafless stem.
6
Q
A
Prunus serotina
Rosaceae
- “burnt potato chip” bark.
- leaves are densely pubescent along the midrib.
- fruits that are coveted by birds
7
Q
Sedum
Stonecrops
A
- small, fleshy, everygreen to semievergreen leaves.
- as a general rule, have star-shaped flowers.
- sand dunes, rocky areas, and sometimes as lawn weeds.
8
Q
Rubus
Raspberry / Blackberry / Brambles
A
- leaves compound or occasionally simple.
9
Q
Mitella
Bishop’s Cap
A
- basal leaved herbs that are very distinctive in woodlands
- sends up a raceme of flowers from the basal leaves, like most members of Saxifragaceae.
- our most common species has two bracts on the raceme (M. diphylla), with the other being “naked” (M. nuda).
- hypanthium resembles the mitercaps worn by clergy
10
Q
Potentilla
Cinquefolia
A
- Many have leaves palmately divided into five leaflets, others have pinnately compound leaves with silvery undersides
- 9 of our former Potentilla species are now places in other genera.
11
Q
Hammamelidaceae
Witch Hazels
A
CA 4-5 CO 4-5 A 4-5 G (2)
- one species in wisconsin. Found in deciduous woods.
- very distinctive asymmetrical crenate leaves
- simple, alternate leaves and flattened bracts, typically with palmate veination.
- 4-merous flowers. 4 stamens opposite the sepals, but 4 small staminoids opposite the petals
- ovary generally inferior or half inferior.
12
Q
Crassulaceae
Stonecrops
A
CA 5 CO 5 A 5 or 10 G (2)
- all are introduced, and some are invasive, but mostly in sandy sites.
- succulent herbs or small shrubs adapted to xeric environments
- carpels essentially separate, and produce follicles when they mature
- nectary scales at the base of each carpel
13
Q
Saxifragaceae
Saxifrages
A
- basal leaves which are usually gland-tipped at the edges
- prefer wet woods or drippy conditions
- 5-merous flowers, superior pistils of 2 carpels, usually sepearated.
- hypanthium is often present.
14
Q
Grossularaceae
Currants
A
CA 5 CO 5 A 5 G (2)
- loved leaves, racemes, fleshy fruits
- 5-merous, with larger sepals than petals.
- well developed hypanthiums
15
Q
Rosaceae
Roses as a whole
A
CA 5 CO 5 A ∞ G [variable!]
- very large family, and important fruit family in north temperate regions.
- simple, pinnately or palmately compound leaves
- well developed stipules, and they are showy, 5-merous with numerous stamens.
- gynoecium variable, and the hypanthium is present in some form, often as bracts on the calyx
16
Q
Roseaceae
Spirea and relatives
A
CA 5 CO 5 A ∞ G 2-8
- apocarpic, superior pistils short hypanthium follicle fruits
17
Q
Rosaceae
Rose and relatives
A
CA 5 CO 5 A ∞ G ∞
- Herbs mostly with compound leaves
- Plants with stolons (running stems above ground) or running rhizomes
- Flowers apocarpic with many carpels
- Hypanthium well-developed or receptacle elongated
- One-seeded achenes
18
Q
Rosaceae
Cherry and relatives
A
CA 5 CO 5 A ∞ G 1
- Shrubs and trees with simple leaves, often with glands along petiole (cherries, plums, peaches)
- Gynoecium superior with one carpel = monocarpic
- Fruit a drupe = fleshy, with one bony seed
19
Q
Rosaceae
Apple and relatives
A
CA 5 CO 5 A ∞ G (3-5)
- Shrubs or trees with showy 5 merous flowers
- Gynoecium inferior of 3 to 5 fused carpels
- Hypanthium thickens in fruit to form pome fruit
