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) | ..... | ..... | ..... |