WITCH-HAZEL SUBCLASS 10 families pages 70-92

85% of the families are altermate-leaved.

petalless (lots of catkins); wind-pollinated;

petalled flowers us. arising from axils of toothed, paired leaves

..... Alt. Opp. Alt. Div. Opp. Div.
II.1 catkins catkins..... catkins..... catkins..... catkins.....
II.1.1 unisexual: ..... ..... ..... .....
shrub: 0 0 2-8 0/0 0 0 2 often with waxy berries 24.79 Myricaceae (bayberry) sup to inf A (often 4 stamens) 1Myrica (bayberry) 2Comptonia (sweetfern) female catkins at maturity form a bur ..... ..... .....
trees: 3-4 3-4 3-4 0/0 3-4 0 5-8 fruits non-woody balls 17.70 Platanaceae (planetree) Platanus (sycamore) ..... ..... .....
0 0 N 0/0 0 0 2 fruits woody balls 18.70 Hamamelidaceae (witch hazel) 1Liquidambar (sweetgum) ..... ..... .....
0 4 4 0/0 4 4 2

fr large, green orange-like, warty ball

black-berry like fruits

21.74 Moraceae (mulberry) AE/AL/AT  1Maclura (osage orange)

2 Broussonetia (paper mulberry)   3Morus (mulberry)

..... ..... .....
0 2-6 3-40 0/0or4 2-4 0 2 nut frs, do not split along sutures

 nut frs, some split along sutures

..... ..... 23.77 Juglandaceae (walnut)          1Juglans (walnut)    2Carya (hickory) .....
0 4-6 3-20 0/0 4-6 0 3 types of fruits:

beechnuts

chestnuts

acorns       

25.81 Fagaceae (beech) AE/AL  

1Fagus (beech)  

2Castanea (Am chestnut)               3Quercus (oaks)

..... ..... .....
0 0or4 2or4 0/0 0or2/4 0 2 0 catkin-like

hazelnut fruits                 hop-like fruit ..................................    nut-like fruit......... catkin

26.87 Betulaceae (birch) AT

1Corylus (hazel) 2Ostrya (hop hornbeam) 3Carpinus (musclewood)     4 Betula (birch)

5Alnus (alder)

..... ..... .....
section II.2 ribbon like petals ribbon like petals.......... ribbon like petals..... ribbon like petals..... ribbon like petals.....
II.2.5 stamens equal ..... ..... ..... .....
4 4 4 2  ribbon-like petals 18.70 Hamamelidaceae (witch-hazel) epig Hamamelis (witch-hazel) ..... ..... .....
II.3. Indistinguishable flowers Indistinguishable flowers..... Indistinguishable flowers..... Indistinguishable flowers..... Indistinguishable flowers.....
II.3.1 unisexual ..... ..... ..... .....
herbs: 0 5 5 0/0 5 0 1 ..... ..... ..... 20.73 Cannabaceae (hemp) pal- mately compound  2.Cannabis (hemp)
0 4or5 4or5 0/0 2-4 0 1 herbs with stinging hairs 22.75 Urticaceae (nettle)                 2Laportea (wood nettle)               5Parietaria (pellitory) 22.75 Urticaceae  (nettle)

1Urtica (stinging/tall nettle)        3Boehmeria (false nettle) 4.Pilea (clearweed)

..... .....
vine: 5 5 0/0 5 0 1 fruits hop-like ..... 20.73 Cannabaceae (Indian hemp)          1. Humulus (hops) ..... .....
trees: perfect flowers or staminate also 0 4-9 4-9 2 or 0 5 5 0 fruits thin, round with thin wings 19.71 Ulmaceae (elm) h/p              1Ulmus (elm)      3Celtis (hackberry) ..... ..... .....