CHUCK'S
PLANT FAMILIES
OF
NEW YORK STATE

 Hops image

Caution!


Division
Magnoliophyta
(ANGIOSPERMS)
(2) (220,000)		  

 KEY
Class
Magnoliopsida
(DICOTS) (6)		    
Subclass II.
Hamamelidae
(11) (3400)		    
Flowers more or less strongly reduced and often unisexual, the perianth poorly developed, flowers often
borne in catkins, never forming bisexual pseudanthia, and never with numerous seeds on parietal placentas;
pollen-grains often porate and with a granular rather than columellar infratectal structure.
Hamamelidales (5) (130)    
Flowers producing either more than one fruit, or producing a single dehiscent fruit; ovules 1--many.
CERCIDIPHYLLACEAE
(KATSURATREE FAM.) (2)

 a; di
-0-; 8--13; 1
fol

  
  Cercidiphyllum japonicum
Siebold & Zucc.		 KATSURATREE
(Ornamental in NYS)
PLATANACEAE
(SYCAMORE FAM.) (6-7)

 a; mo
3--7 or (3--7, 0 or 3--7; 3--7; 5--9
syncarp of achenes

 
  Platanus occidentalis
x Acerifolia L.		 LONDON PLANETREE
(Ornamental in NYS)
  Platanus occidentalis L. AMERICAN SYCAMORE
  Platanus orientalis L. ORIENTAL SYCAMORE
(Ornamental in NYS)
HAMAMELIDACEAE
(WITCH HAZEL FAM.) (100+)

  a to z; pf or mo
0 or (4 or 5, 0 or 4 or 5; 4+4* or #
hyp to usu epi (2) or 2
cap

  
  Corylopsis glabrescens
Franch. & Sav.		 FRAGRANT WINTERHAZEL
(Japan; z. 5-8)
(Ornamental in NYS)
  Disanthus cercidifolius
Maxim.		 (Japanese Dirr favorite)
(Ornamental in NYS)
  Fothergilla major Lodd. LARGE FOTHERGILLA
(Ornamental in NYS)
  Hamamelis mollis Oliv. CHINESE WITCHHAZEL
(Ornamental in NYS)
  Hamamelis x intermedia (Various hybrid cvs. of
H. japonica x H. mollis)
(Ornamental in NYS)
  Hamamelis virginiana L. COMMON WITCHHAZEL
  Parrotia persica
(DC.) CA Mey.		 PERSIAN PARROTIA
(Ornamental in NYS)
Eucommiales (monotypic)    
Single indehiscent fruit; ovules not more than 2 per carpel; flowers
not in aments; ovules unitegmic; stipules wanting; racemose.
EUCOMMIACEAE

 a; di
-0-; 5--12; (2)
sam

  
  Eucommia ulmoides Oliv. HARDY RUBBERTREE
(Ornamental in NYS)
Urticales (6) (2200)    
Single indehiscent fruit; ovules not more than 2 per carpel; flowers not in aments; ovules bitegmic;
stipules usually present; flowers clustered into inflorescences usually with vestigial perianth.
ULMACEAE (ELM FAM.)
(150) (Connate perianth)

 a to z; pf or mo
-(4--8)- or -4--8-; (2--9); (2)
sam nut dr

  
  Celtis occidentalis L. COMMON HACKBERRY
  Ulmus americana L. AMERICAN ELM
  Ulmus parviflora Jacq. CHINESE ELM
(Ornamental in NYS)
  Ulmus pumila L. SIBERIAN ELM
(Ornamental in NYS)
  Ulmus rubra Mühl. SLIPPERY ELM
  Ulmus Thomasii Sarg. CORK ELM, ROCK ELM
  Zelcova serrulata Spach JAPANESE ZELCOVA
(Ornamental in NYS)
MORACEAE
(MULBERRY FAM.) (1000)

 a; mo or di
-(4-; 0--4; (2)
ach

  
  Artocarpus altilis
(S. Parkinson) Fosberg		 BREADFRUIT
(Not wild in NYS)
  Artocarpus heterophyllus Lam. JACKFRUIT (largest tree-
borne fruit in the world)
(Not wild in NYS)
  Ficus spp. BANYON TREE (tropical)
(Not wild in NYS)
  Ficus carica L. FIG
(Ornamental in NYS)
  Maclura pomifera
(Raf. ex Sarg.) Schneid.		 OSAGE-ORANGE
  * Morus alba L. WHITE MULBERRY
(Naturalized in NYS)
CANNABACEAE
(HEMP FAM.) (3)

 a; di or mo
-5-; 5; 1
nutl

  
  Cannabis sativa L. MARIJUANA
(Not wild in NYS)
Cannabis sativa L. ssp. indica
(Lam.) E. Small & Cronq.		 MARIJUANA
(Not wild in NYS)
  Humulus Lupulus L. HOP (pandemic)
  Humulus japonicus
Sieb. & Zucc.		 JAPANESE HOP
(Ornamental in NYS)
URTICACEAE
(NETTLE FAM.) (700)

 a; mo, di, or po
-0- or 3--5 or (3--5)-; 3--5; (2)
ach dr

  
  Laportea canadensis (L.) Wedd. CANADA NETTLE
  Pilea pumila (L.) Gray CLEARWEED
  Urtica dioica L. STINGING NETTLE
Leitneriales (monotypic)    
Single dehiscent fruit; ovules not more than 2 per carpel; flowers usually in aments; pistil of a single carpel.
LEITNERIACEAE
(CORK-WOOD FAM.)

 z; di
M: -0-, F: bract; 1--12; 1
drupe

  
  Leitneria floridana Chapm. FLORIDA CORKWOOD
(FL, GA, TX, AR, MO)
(Not wild in NYS)
Juglandales (2) (61)    
Single dehiscent fruit; ovules not more than 2 per carpel; flowers usually in aments;
pistil with more than one carpel;  ovule solitary; leaves pinnately compound.
JUGLANDACEAE
(WALNUT FAM.) (60)

 a; mo
-0 or 4-; 3--#
(2)
nut dr

  
  Carya cordiformis
(Wang.) Koch		 BITTERNUT HICKORY
  Carya glabra (Mill.) Sweet PIGNUT HICKORY
(Cen. NY to Fl)
  Carya laciniosa
(Michx. f.) G. Don		 SHELLBARK HICKORY
(W. New York to OK)
  Carya ovata (Mill.) Koch SHAGBARK HICKORY
  Carya tomentosa
(Lam. ex Poir.) Nutt.		 MOCKERNUT HICKORY
  Juglans nigra L. BLACK WALNUT
  Juglans cinerea L. BUTTERNUT
Myricales (1) (50)    
Single dehiscent fruit; ovules not more than 2 per carpel; flowers usually in aments;
pistil with more than one carpel; ovule solitary; leaves simple.
MYRICACEAE
(BAYBERRY FAM.) (3) (50)

 a; di;
-0-; (2--8 or 2--8
hyp or usu epi (2)
dru nutl

  
  Comptonia peregrina (L.) Coult. SWEET FERN
  Myrica pensylvanica
Loisel. ex Duhamel		 BAYBERRY
  Myrica cerifera L. WAX-MYRTLE
(Not wild in NYS)
  Myrica gale L. SWEET GALE
Fagales (4) (900)    
Single dehiscent fruit; flowers usually in aments; pistil with more than one carpel; ovules 2 or more.
FAGACEAE
(BEECH FAM.) (800)

 a; mo
-4-6-; 4-#
(3)
nut

  
  Castanea dentata
(Marsh.) Borkh.		 AMERICAN CHESTNUT
  Castanea pumila (L.) Mill. CHINESE CHESTNUT
(Ornamental in NYS)
  Fagus grandifolia Ehrh. AMERICAN BEECH
  Fagus sylvatica L. EUROPEAN BEECH
(Ornamental in NYS)
  Quercus alba L. WHITE OAK
  Quercus bicolor Willd. SWAMP WHITE OAK
(obovate,  long-stalked acorn)
  Quercus coccinea Muenchh. SCARLET OAK
(concentric rings top of acorn)
  Quercus macrocarpa Michx. BURR OAK,
MOSSYCUP OAK
  Quercus marilandica Muenchh. BLACKJACK OAK
  Quercus mühlenbergii Engelm. CHINKAPIN OAK (teeth mu-
cronate; acorn short-stalked
  Quercus palustris Muenchh. PIN OAK
  Quercus montana Willd. CHESTNUT OAK (teeth
crenate; acorn long-stalked)
  Quercus robur L. ENGLISH OAK
(Ornamental in NYS)
  Quercus rubra L. NORTHERN RED OAK
  Quercus velutina Lam. BLACK OAK (axillary tufts;
vertically striated acorns)
BETULACEAE
(BIRCH FAM.) (120)

 a; mo
-0 or 1--6-; 1--4 or (1--4
(2)
nut

  
  Alnus glutinosa (L.) Gaertn. EUROPEAN ALDER
(Ornamental in NYS)
  Alnus serrulata
(Dryand. ex Ait.) Willd.		 SPECKLED ALDER
  Alnus viridis (Chaix) DC. MOUNTAIN ALDER
  Betula alleghaniensis Britt. YELLOW BIRCH
  Betula cordifolia Regel MOUNTAIN PAPER BIRCH
(rare)
  Betula glandulosa Michx. DWARF BIRCH (rare)
  Betula jacquemontii HIMALAYAN BIRCH
(Betula utilus
var. jacquemontii)
(Ornamental in NYS)
  Betula lenta L. SWEET BIRCH
  Betula minor (Tuckerm.) Fern. DWARF WHITE BIRCH
(rare)
  Betula nigra L. RIVER BIRCH
  Betula papyrifera Marsh. PAPER BIRCH
  Betula papyrifera
var. cordifolia		 HEART-LEAVED
PAPER BIRCH
  Betula pendula Roth EUROPEAN WHITE BIRCH
(Ornamental in NYS)
  Betula populifolia Marsh. GREY BIRCH
  Betula pumila L. SWAMP BIRCH (rare)
  Carpinus betulus L. EUROPEAN HORNBEAM
(Ornamental in NYS)
  Carpinus caroliniana Walt. AMERICAN HORNBEAM
  Corylus americana Walt. AMERICAN HAZELNUT
  Corylus avellana L. EUROPEAN FILBERT
(Ornamental in NYS)
  Corylus cornuta Marsh. BEAKED HAZELNUT
  Ostrya virginiana (Mill.) Koch AMERICAN
HOPHORNBEAM
Subclass III.
Caryophyllidae		    
     



KEY TO SPECIES SYMBOLS

Blue Background

Grows wild in New York State, but
not in the Adirondack upland region.
An asterisk (*) indicates the plant
is naturalized (not native to NYS).

Green Background

Grows wild in the
Adirondack upland region.
An asterisk (*) indicates the plant
is naturalized (not native to NYS).

White Background

Grows wild in the
Adirondack alpine region,
and found above 4000
feet in elevation).

Pink Background

Cultivated as an ornamental plant
in NYS; usually non-native.

Brown Background

The plant does not grow in NYS.
Selected familiar plants are included in the
database either to show representatives of
taxa not represented by NYS plants, or to
show their relatedness to their NYS relatives.



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