501

Family:
cucurbitaceae (cucurbit)

the cucurbit family includes cucmber, melons, watermelon, squash, gourds

pepo: tough exocarp and mesocarp form a rind; fleshy endocarp

502


pome

*accessory fruits with core formed by ovary
*outside is flesh, juicy receptacle
*apple, pear, quince, crabapple

503


504

Common:
lemon

hesperidium

*exocarp, mesocarp and endocarp form a rind or peel
*hairs form juice sacs
*citrus (orange, grapefruit, kumquat, etc...)

506


female pine cones

508


509


monocot root

510


monocot stem

511


dicot stem

512


dicot root

513


514


515


berry

simple, flesy fruit in which the fruit wall is soft throughout

516

Genus:
lycopersicon
Species:
lycopersicum
Common:
tomato

517

Common:
grape

518


legume

*dry, dehiscient
*opens on two sutures (seams)
*fabaceae, caesalpiniaceae, mimosaceae

519


its a legume...

520


aggregate fruit

A fruit that develops from a single flower with several to many pistils (ie. carpels are not fused into a single pistil)

521

Common:
raspberry

522


drupe

*exocarp: outer skin
*mesocarp: fleshy to fibrous middle
*endocarp: stony or bony "pit"
*coconut, olive, peach, cherry, apricot, almond, avocado, etc..

523


assorted drupes

524


accessory and aggregate

*one flower with many seperate ovaries clustered on receptacle forms an aggregate fruit
*tissue not associated with ovary (such as the receptacle) contributes to accessory fruit formation

525

Common:
strawberry

accessory fruit and aggregate of achenes

526


achene

*dry fruit with an indehiscent pericarp; embryo is attached at a single point inside the pericarp
*sunflower, strawberry fruitlets

527

Common:
jar 'o sunflower seeds

528


529


530


nut

*single seeded, stony pericarp
*indehiscent (doesnt split open)
*acorn, walnut, hazelnut

531


caryopsis

*sometimes identified as a grain
*seed so completely fills the pericarp the seed coat presses tightly against the endocarp at all points
*half or more of the contents may be endosperm
*the remainder is embryo
*wheat, rice, maize, barley, oats, rye, etc..

532


533


samara

*winged fruit
*pericarp forms a wing

534

Kingdom:
plantae
Group:
vascular plants / gymnosperms

*seeds are borne exposed on scales of cones
*xylem w/o vessels
*only tracheids for water conduction
*female gametophyte is haploid for most species

536


follicle

*dry dehiscent fruit splits open on one suture or seam
*milkweed, magnolia fruitlets

537


capsule

*dry dehiscent fruit opening on three or more sutures
*yucca, okra

507

Kingdom:
plantae
Phylum:
anthophyta
Group:
vascular plants / gymnosperms
Class:
monocotyledoneae
Genus:
maize
Species:
caryopsis
Common:
corn seed

505

Kingdom:
plantae
Phylum:
cycadophyta
Group:
vascular plants / gymnosperms
Genus:
megasporophyll

with seeds

535

Kingdom:
plantae
Phylum:
cycadophyta
Group:
vascular plants / gymnosperms
Common:
cycads

*140 specis
*ovaries located on knobs
*dioecious (Seed cones + pollen cones on 2 seperate plants)
*popular for ornamental use in landscaping