Difference between revisions of "Cannabaceae"

Endlicher
Common names: Hemp Family
Treatment appears in FNA Volume 3. Treatment on page 381.
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--><span class="statement" id="st-d0_s0" data-properties="herb duration;herb duration;herb architecture;herb architecture;herb orientation;herb growth form;herb odor;herb pubescence;gland size"><b>Herbs,</b> annual or perennial, taprooted or rhizomatous, erect or twining, aromatic, pubescent with small glands and hairs, hairs with or without cystoliths (structures within cells with basal calcium carbonate concretions or crystals).</span> <span class="statement" id="st-d0_s1" data-properties="stem architecture;stem shape;stem architecture"><b>Stems </b>usually branched, usually ridged or furrowed.</span> <span class="statement" id="st-d0_s2" data-properties="leaf arrangement;leaf arrangement;leaf architecture;leaf shape;leaf architecture;leaf architecture"><b>Leaves </b>decussate proximally, often alternate distally, simple to palmately lobed or compound, petiolate;</span> <span class="statement" id="st-d0_s3" data-properties="stipule duration;stipule shape">stipules persistent, triangular.</span> <span class="statement" id="st-d0_s4" data-properties="margin architecture or shape"><b>Leaf-</b>blade: margins serrate.</span> <span class="statement" id="st-d0_s5" data-properties="inflorescence position;inflorescence position;inflorescence architecture"><b>Inflorescences </b>axillary or terminal, bracteate;</span> <span class="statement" id="st-d0_s6" data-properties="inflorescence architecture;inflorescence architecture or fragility;inflorescence orientation;inflorescence orientation;cyme architecture;cyme architecture;cyme architecture or fragility;cyme orientation;cyme orientation;panicle architecture;panicle architecture;panicle architecture or fragility;panicle orientation;panicle orientation">staminate inflorescences compound cymes or panicles, loose, erect or somewhat pendent;</span> <span class="statement" id="st-d0_s7" data-properties="inflorescence architecture;spike architecture;pseudospike architecture;raceme architecture">pistillate inflorescences spikes, pseudospikes, or racemes.</span> <span class="statement" id="st-d0_s8" data-properties="flower reproduction;flower architecture;flower architecture;flower architecture;flower architecture;flower reproduction"><b>Flowers </b>unisexual, staminate and pistillate usually on different plants, when on same plants (in some populations and cultivars), then staminate flowers produced before pistillate flowers, transitional-bisexual flowers sometimes occurring.</span> <span class="statement" id="st-d0_s9" data-properties="flower architecture;flower quantity;flower architecture"><b>Staminate </b>flowers 20-200+, pedicellate;</span> <span class="statement" id="st-d0_s10" data-properties="sepal quantity;sepal position;sepal coloration;sepal coloration">sepals 5, hypogynous, greenish or whitish;</span> <span class="statement" id="st-d0_s11" data-properties="stamen quantity;stamen position;sepal arrangement">stamens 5, hypogynous, opposite sepals;</span> <span class="statement" id="st-d0_s12" data-properties="anther dehiscence">anthers dehiscing longitudinally and basipetally.</span> <span class="statement" id="st-d0_s13" data-properties="flower architecture;flower quantity;flower arrangement;flower architecture;flower position relational;flower position relational"><b>Pistillate </b>flowers 10-50, often paired, pairs often interpreted as cymes, subsessile, tightly covered or loosely subtended by bract or bracteole;</span> <span class="statement" id="st-d0_s14" data-properties="layer width;layer architecture or shape;layer prominence">perianth a thin undivided layer adhering to ovary, obscure;</span> <span class="statement" id="st-d0_s15" data-properties="pistil quantity;pistil architecture">pistil 1, usually 2-carpellate;</span> <span class="statement" id="st-d0_s16" data-properties="ovary position;ovary architecture or structure in adjective form">ovary superior, 1-locular;</span> <span class="statement" id="st-d0_s17" data-properties="ovule quantity">ovule 1 per locule;</span> <span class="statement" id="st-d0_s18" data-properties="style height or length or size;style position">style short, apical;</span> <span class="statement" id="st-d0_s19" data-properties="stigma architecture;stigma length or size;stigma shape">stigma 2-branched, long, filiform.</span> <span class="statement" id="st-d0_s20" data-properties="fruits achene texture;fruits achene position relational;perianth duration;perianth size"><b>Fruits </b>achenes, crustaceous, covered loosely or tightly by persistent, accrescent perianth.</span> <span class="statement" id="st-d0_s21" data-properties="seed texture"><b>Seeds </b>fleshy;</span> <span class="statement" id="st-d0_s22" data-properties="">endosperm little;</span> <span class="statement" id="st-d0_s23" data-properties="embryo course;embryo architecture">embryo curved or coiled.</span><!--
+
--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> annual or perennial, taprooted or rhizomatous, erect or twining, aromatic, pubescent with small glands and hairs, hairs with or without cystoliths (structures within cells with basal calcium carbonate concretions or crystals). <b>Stems</b> usually branched, usually ridged or furrowed. <b>Leaves</b> decussate proximally, often alternate distally, simple to palmately lobed or compound, petiolate; stipules persistent, triangular. <b>Leaf</b> blade: margins serrate. <b>Inflorescences</b> axillary or terminal, bracteate; staminate inflorescences compound cymes or panicles, loose, erect or somewhat pendent; pistillate inflorescences spikes, pseudospikes, or racemes. <b>Flowers</b> unisexual, staminate and pistillate usually on different plants, when on same plants (in some populations and cultivars), then staminate flowers produced before pistillate flowers, transitional-bisexual flowers sometimes occurring. <b>Staminate</b> flowers 20-200+, pedicellate; sepals 5, hypogynous, greenish or whitish; stamens 5, hypogynous, opposite sepals; anthers dehiscing longitudinally and basipetally. <b>Pistillate</b> flowers 10-50, often paired, pairs often interpreted as cymes, subsessile, tightly covered or loosely subtended by bract or bracteole; perianth a thin undivided layer adhering to ovary, obscure; pistil 1, usually 2-carpellate; ovary superior, 1-locular; ovule 1 per locule; style short, apical; stigma 2-branched, long, filiform. <b>Fruits</b> achenes, crustaceous, covered loosely or tightly by persistent, accrescent perianth. <b>Seeds</b> fleshy; endosperm little; embryo curved or coiled.</span><!--
  
 
-->{{Treatment/Body
 
-->{{Treatment/Body
|distribution=Nearly worldwide
+
|distribution=Nearly worldwide.
 
|discussion=<p>Genera 2, species 4 (2 genera, 3 species in the flora).</p><!--
 
|discussion=<p>Genera 2, species 4 (2 genera, 3 species in the flora).</p><!--
 
--><p>Genera in Cannabaceae have sometimes been included in Moraceae (H. A. Gleason 1968); M. L. Fernald (1950) placed them in a separate family, Cannabinaceae.</p><!--
 
--><p>Genera in Cannabaceae have sometimes been included in Moraceae (H. A. Gleason 1968); M. L. Fernald (1950) placed them in a separate family, Cannabinaceae.</p><!--
 
--><p>Cannabaceae are wind pollinated. They are indigenous to the temperate Northern Hemisphere, widely cultivated, often introduced, and often ruderal.</p><!--
 
--><p>Cannabaceae are wind pollinated. They are indigenous to the temperate Northern Hemisphere, widely cultivated, often introduced, and often ruderal.</p><!--
--><p>Cystoliths, including those of Cannabis sativa, are frequently used in police laboratories to make positive identification of leaf fragments.</p>
+
--><p>Cystoliths, including those of <i>Cannabis sativa</i>, are frequently used in police laboratories to make positive identification of leaf fragments.</p>
 
|tables=
 
|tables=
 
|references={{Treatment/Reference
 
|references={{Treatment/Reference
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|family=Cannabaceae
 
|family=Cannabaceae
 
|illustrator=John Myers
 
|illustrator=John Myers
|distribution=Nearly worldwide
+
|illustration copyright=Flora of North America Association
 +
|distribution=Nearly worldwide.
 
|reference=miller1970a
 
|reference=miller1970a
 
|publication title=
 
|publication title=
 
|publication year=
 
|publication year=
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V3/V3_632.xml
+
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V3/V3_632.xml
|anther dehiscence=dehiscing
 
|cyme architecture=compound;staminate
 
|cyme architecture or fragility=loose
 
|cyme orientation=pendent;erect
 
|embryo architecture=coiled
 
|embryo course=curved
 
|flower architecture=subsessile;pistillate;pedicellate;staminate;pistillate;staminate;pistillate;staminate
 
|flower arrangement=paired
 
|flower position relational=loosely;covered
 
|flower quantity=10;50
 
|flower reproduction=transitional-bisexual;unisexual
 
|fruits achene position relational=covered
 
|fruits achene texture=crustaceous
 
|gland size=small
 
|herb architecture=rhizomatous;taprooted
 
|herb duration=perennial;annual
 
|herb growth form=twining
 
|herb odor=aromatic
 
|herb orientation=erect
 
|herb pubescence=pubescent
 
|inflorescence architecture=pistillate;staminate;bracteate
 
|inflorescence architecture or fragility=loose
 
|inflorescence orientation=pendent;erect
 
|inflorescence position=terminal;axillary
 
|layer architecture or shape=undivided
 
|layer prominence=obscure
 
|layer width=thin
 
|leaf architecture=petiolate;compound;simple
 
|leaf arrangement=alternate;decussate
 
|leaf shape=lobed
 
|margin architecture or shape=serrate
 
|ovary architecture or structure in adjective form=1-locular
 
|ovary position=superior
 
|ovule quantity=1
 
|panicle architecture=compound;staminate
 
|panicle architecture or fragility=loose
 
|panicle orientation=pendent;erect
 
|perianth duration=persistent
 
|perianth size=accrescent
 
|pistil architecture=2-carpellate
 
|pistil quantity=1
 
|pseudospike architecture=pistillate
 
|raceme architecture=pistillate
 
|seed texture=fleshy
 
|sepal arrangement=opposite
 
|sepal coloration=whitish;greenish
 
|sepal position=hypogynous
 
|sepal quantity=5
 
|spike architecture=pistillate
 
|stamen position=hypogynous
 
|stamen quantity=5
 
|stem architecture=furrowed;branched
 
|stem shape=ridged
 
|stigma architecture=2-branched
 
|stigma length or size=long
 
|stigma shape=filiform
 
|stipule duration=persistent
 
|stipule shape=triangular
 
|style height or length or size=short
 
|style position=apical
 
 
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Latest revision as of 22:50, 5 November 2020

Herbs, annual or perennial, taprooted or rhizomatous, erect or twining, aromatic, pubescent with small glands and hairs, hairs with or without cystoliths (structures within cells with basal calcium carbonate concretions or crystals). Stems usually branched, usually ridged or furrowed. Leaves decussate proximally, often alternate distally, simple to palmately lobed or compound, petiolate; stipules persistent, triangular. Leaf blade: margins serrate. Inflorescences axillary or terminal, bracteate; staminate inflorescences compound cymes or panicles, loose, erect or somewhat pendent; pistillate inflorescences spikes, pseudospikes, or racemes. Flowers unisexual, staminate and pistillate usually on different plants, when on same plants (in some populations and cultivars), then staminate flowers produced before pistillate flowers, transitional-bisexual flowers sometimes occurring. Staminate flowers 20-200+, pedicellate; sepals 5, hypogynous, greenish or whitish; stamens 5, hypogynous, opposite sepals; anthers dehiscing longitudinally and basipetally. Pistillate flowers 10-50, often paired, pairs often interpreted as cymes, subsessile, tightly covered or loosely subtended by bract or bracteole; perianth a thin undivided layer adhering to ovary, obscure; pistil 1, usually 2-carpellate; ovary superior, 1-locular; ovule 1 per locule; style short, apical; stigma 2-branched, long, filiform. Fruits achenes, crustaceous, covered loosely or tightly by persistent, accrescent perianth. Seeds fleshy; endosperm little; embryo curved or coiled.

Discussion

Genera 2, species 4 (2 genera, 3 species in the flora).

Genera in Cannabaceae have sometimes been included in Moraceae (H. A. Gleason 1968); M. L. Fernald (1950) placed them in a separate family, Cannabinaceae.

Cannabaceae are wind pollinated. They are indigenous to the temperate Northern Hemisphere, widely cultivated, often introduced, and often ruderal.

Cystoliths, including those of Cannabis sativa, are frequently used in police laboratories to make positive identification of leaf fragments.

Lower Taxa

Key

1 Herbs erect; leaves palmately compound; petioles without 2-branched hairs Cannabis
1 Herbs rightward-twining; leaves simple, usually palmately lobed, sometimes unlobed; petioles with 2-branched hairs. Humulus