Dendro week 8

Stipules

Types of stipules

Lateral Buds

Axillary bud

Types of lateral buds

Lenticels

Family? 

Often have nitrogen-fixing root nodules of great value for enriching the soil 
Habit:
large trees to small annual herbs, mostly herbaceous perennials
Leaves:
usually alternate and compound; mostly pinnate, many bi-pinnate; stipulate;
entire margins,  occasionally serrate
Flowers:
five generally fused sepals, five free petals; indeterminate infloresences; entomophilous;
showy
Fruit:
typically a legume or ‘pod’; also samara, loments, follicles,
indehiscent legumes, achenes,
drupes, berries 

subfamily?
Contains Prosopis, Acacia, Albizia

Genus? 
Leaves:
Bipinnate,
6 -15 in.; leaflet small, 3/8 – 5/8 in., margins entire, folding at night

Flowers:
see family characters

Fruit:
flat legume, 13-20 cm

Which genus does this species belong to? 
Julibrissin

Subfamily?
Contains Gleditsia, Ceris, Gymnocladus

Genus?

Leaves:
once or twice pinnate, often clustered on twigs

Flowers:
appearing w/ leaves, perfect and imperfect, nearly regular, greenish-yellow in
axillary racemes, perianth
3-5- merous

Fruit:
legume tough, indehiscent

Twigs:
often armed;

Genus?

Leaves:
simple (unifoliate),

blade
orbicular to reniform

Flowers:
appearing before leaves, rich pink in clusters, perianth
irregular

Fruit:
flat legume, turning black

Genus?

Leaves: Bipinnate, alternate; large up to 32 in. long;
leaflets 2-2.5 inches with acute apices

Flowers: appearing after the leaves, imperfect (dioecious),
white-purple in large panicles

Fruit: hard, thick legume pod  up to 
7 in. long, dark reddish brown, seeds embedded in inedible pulp

Twigs:
stout, brown, with large leaf scrs and
thick salmon-colored to brown pith, 3-5 bundle scars; no term. bud; laterals
partly concealed; minute, fringed stipule scars

Bark:
gray, deeply furrowed into narrow scaly ridges 

Which genus contains the species dioicus?

Subfamily contains Robinia and Cladrastis?

Genus?

Leaves:
alt., once pinn.
compound, mostly spinose-stipulate

Flowers:
perfect, in racemes, appearing after the leaves

Fruit:
many-seeded, nearly sessile pod, seeds reniform,
w/o endosperm

Genus?

Leaves:
once compound, 20-30 cm, leaflets (5)7-9(11), alternate to subopposite
on the rachis, 2.5-8” long

Flowers:
appearing with leaves, white, fragrant, in long drooping panicles

Fruit:
thin, papery, indeh.
legume, pendent, 1-3”

Which genus contains this species, psudoacacia?

Which genus contains the species Kentukea?

Family?

Habit:
N2-fixing shrubs or trees

Leaves:
deciduous or evergreen, alternate (rarely opposite, whorled), simple entire,
often covered with silvery or brown stellate hairs or scales (lepidote)
on leaves & twigs 

Flowers:
regular, calyx (2)4(6) connate sepals, 0 petals, stamens (2)4(8), carpel 1, entomophilous

Fruit:
a dry achene surrounded by a fleshy calyx tube; thus the fruit is drupe-like in
appearance

Angustifolia, umbellata, and multiflora are species that belong to what genus?

Family?

Leaves:
evergreen, coriaceous, punctate, alternate, opposite or whorled, entire,
strongly aromatic when crushed

Flowers:
showy, 4 or 5 petals, and many stamens, thick hypanthium, entomophilous,
also birds, bats

Fruit:
berry or capsule

Genus

Leaves:
alternate to opposite (possibly opposite when young)

Flowers:
white, yellow, red, in clusters,

Fruit:
capsule opening at top by 3-6 valves; seeds numerous angled

Genus?

Habit:
small tree with multi-layered spongy bark

Leaves:
evergreen, alternate (opposite), leathery, slender aromatic, 1-5 veined

Flowers:
showy white, in heads or spikes

Fruit:
capsule

Quinquenervia belongs to what genus?

Family?

Leaves:
deciduous, alternate or opposite, simple, usually entire, estipulate

Flowers:
perfect or imperfect, 4 or 5-merous, calyx reduced to teeth or a minute rim
around top of ovary, petals distinct, ovary inferior, entomophilous

Fruit:
Drupe, berry

Genus?
Leaves:
usually opposite, veins arcuate
(secondary veins arch upward)

Flowers:
perfect with 4 stamens

Fruit:
1-2-seeded blue, red, white drupe, seeds not grooved

Twig:
pith homogenous

Genus?

Leaves:
alternate, veins not arcuate

Flowers:
imperfect (usually dioecious),
stamens ca. 10

Fruit:
1-2 seeded blue-purple drupe, seeds grooved

Twig:
pith diaphragmed

Family?

Leaves: simple, alternate or opposite, entire
to serrulate,
estipulate

Flowers: perfect or unisexual, regular, 4- or
5-merous, small, not showy, nectary disk, stigma capitate or lobed

Fruit: capsule, often brightly colored, seeds
covered with a bright aril

Genus?

Habit:
twining vines or shrubs, branches terete

Leaves:
alternate

Flowers:
in panicles or racemes

Genus?

Habit:
Shrubs or small tree, branches 4-angled

Leaves:
opposite

Flowers:
solitary or in axillary clusters

Orbiculatus belongs to what genus?

Alata belongs to what genus?

Family?
Habit:
Trees, shrubs

Leaves:
often evergreen, some species deciduous, 
alternate simple, stipulate

Flowers:
usually imperfect, most species dioecious,
superior ovary, small, 5-parted, entomophilous

Fruit:
a drupe with several stones (pyrenes) 

genus?

Leaves:
deciduous or persistent; entire, serrate, or aculeate (spiny-toothed);
stipulate , with very small, nearly black, triangular, persistent stipules

Flowers:
perfect and imperfect (dioecious
or polygamous), corolla white, axillary, small

Fruit:
red or black, rarely yellow, drupe

Aquifolium, opaca, glabra, verticillata, laevigata are species that belong to what genus?

Family?
Several of great economic importance for timber, rubber, castorbean oil, tung oil, tapioca, vegetable tallow, dyes -  and poinsettia

Not important in N. American forestry
Two naturalized Asian trees are invasive in southeastern U.S.
These trees are deciduous, alternate, simple leaves with 2 glands on upper petiole just below the blade; milky sap and fruit is a capsule

Leaves:
long-petioled
w/2 red glands at top, stipulate, blades large, ovate with cordate
base and palmate veins, entire, sometimes shallowly lobed at top

Flowers:
large and showy, 5-8 white petals with red veins inside near base

Fruit:
large, green to red-brown, dehiscent capsule, 3-5 sections w/large, angled
seeds

Family?

Habit:
Trees, shrubs, sometimes lianas, rarely herbs

Leaves:
deciduous or persistent, alternate or subopposite,
simple, stipulate

Flowers:
perfect or polygamous, small, actinomorphic, mostly 5-parted, ovary 2- or
3-carpellate, superior, entomophilous

Fruit:
drupe or capsule, sometimes winged

Genus?

Habit:
trees, shrubs

Leaves:
deciduous or persistent; alternate or subopposite,
simple, stipulate

Flowers:
perfect or polygamous, axillary

Fruit:
a fleshy, several-seeded or sometimes 1-seeded drupe

All
contain toxic glycosides

Purshiana, Alnifolia, Cathartica, Frangula are all species belonging to what genus?

Family?
Habit:
usually woody vines/lianas, shrubs, rarely herbs; w/tendrils for climbing, or
self-supporting; flowers and tendrils usually opposite to leaves

Leaves:
evergreen or deciduous, alternate or opposite, usually distichous or spiral; petiolate;
gland-dotted; usually simple or compound; stipulate

Flowers:
aggregated in cymes and panicles, often complex; flowers bracteolate, small;
stamens opposite to petals

Fruit:
fleshy, indehiscent, 4-seeded berry

Quinquefolia is a species that belongs to what genus?

Family?

Habit:
Small trees, shrubs

Leaves:
opposite, some alternate, petiolate; generally compound; pinnately
veined; usually serrate or dentate

Flowers:
terminal or axillary drooping panicles or racemes; flowers bracteolate, small

Fruit:
aggregate or not, dehiscent or indehiscent, or an inflated, apically dehiscent
capsule; berry or drupe

Genus and species?

Moist
woods, thickets

Leaves:
opposite, compound, long petiole, 3 oblong, to elliptic to ovate leaflets,
serrate, long-stalked terminal leaflet, laterals short-stalked or without

Stems:
stout, brown, to deep purple, striped bark

Flowers:
perfect, bell-shaped, greenish-white, long stems in drooping clusters, from
base of new growth; early May

Fruit:
inflated, 2”, 3-valved capsule, each
compartment containing one shiny, hard, light brown nutlet

Family?
Leaves:
persistent or deciduous, usually spirally alternate, a few opposite, pinnate
(mostly) or bipinnate
or occasionally palmately,
or simple palmate, mostly estipulate, often with toxic saponins,
some have milky sap

Flowers:
small, imperfect (tree monoecious
or dioecious),
4- or 5-parted, ovary 3-carpellate, superior, actinomorphic or zygomorphic,
mostly entomophilous
or ornithophilous,
some anemophilous

Fruit:
a berry, drupe, capsule, nut, samara, or schizocarp

Genus and species? 
Leaves:
tardily deciduous, alternate, pinnately compound

Flowers:
small, yellow-white, erect panicles, late spring, summer

Fruit:
berry-like, yellow to orange, turning black, poisonous

Fruit used as soap substitute for washing clothes, although poisonous; wood splits easily, baskets

Subfamily?

Leaves:
deciduous, opposite, palmately
compound w/(3)5-9 leaflets, each short-stalked, serrate, petiole long,
estipulate

Flowers:
perfect or often imperfect in same panicle; calyx connate, 5-lobed; corolla 4-
to 5-parted, zygomorphic; ovary superior; entomophilous;
with leaves in erect, terminal, many-flowered panicles

Fruit:
a leathery capsule with 1 to 6 large brown seeds 

Flava, glabra and hippocastanum are species belonging to what genus?

Genus and species?

7 obovate leaflets

White flowers in a compact panicle

Prickly fruit

Dark brown, to nearly black, sticky buds

Genus and species?

palmately 5-foliolate elliptical serrated leaflets, yellow in fall;

Yellowish flowers, pedicels with glandular hairs

Smooth fruit

Large, nonresinous teminal buds with imbricate scales

Family?
Leaves:
deciduous, opposite, simple or compound, mostly estipulate; simple leaves
usually palmately
veined, lobed, long-petioled;
compound 1-pinnate

Flowers:
regular, imperfect and perfect, most species polygamous or dioecious;
borne in inflorescence, before or with leaves, or in lateral fascicles from
separate flower buds before leaves; pistils 2-lobed, 2-celled, each winged

Fruit:
double samara, united at base, each half long-winged and 1-seeded

Family? 
Leaves: deciduous or persistent, usually alternate, simple or compound, estipulate

Flowers:
imperfect, plants dioecious
or polygamo-dioecious,
actinomorphic, mostly 5-parted, ovary superior and 3-carpellate, entomophilous

Fruit:
a drupe or nut-like

Typhina,glabra and copallina are species belonging to what genus?