View source for Hamamelidaceae

{{Treatment/ID
|accepted_name=Hamamelidaceae
|accepted_authority=R. Brown
|publications=
|common_names=Witch-hazel Family
|basionyms=
|synonyms=
|hierarchy=Hamamelidaceae
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Hamamelidaceae]]</div></div>
|volume=Volume 3
|mention_page=
|treatment_page=page 362
}}<!--

--><span class="statement" id="st-d0_s0" data-properties=""><b>Trees </b>or shrubs, deciduous;</span> <span class="statement" id="st-d0_s1" data-properties="whole_organism duration;whole_organism pubescence;whole_organism architecture;whole_organism growth form;whole_organism duration;whole_organism pubescence;whole_organism architecture;whole_organism growth form">pubescence stellate or sometimes simple.</span> <span class="statement" id="st-d0_s2" data-properties="bud life cycle;bud architecture;bud architecture"><b>Dormant </b>buds naked or scaly.</span> <span class="statement" id="st-d0_s3" data-properties="leaf arrangement;leaf architecture;leaf architecture"><b>Leaves </b>alternate, simple, petiolate;</span> <span class="statement" id="st-d0_s4" data-properties="stipule duration">stipules early deciduous.</span> <span class="statement" id="st-d0_s5" data-properties="leaf-blade shape;leaf-blade shape;leaf-blade architecture"><b>Leaf-</b>blade unlobed or deeply (3-) 5-7-lobed, pinnately or palmately veined.</span> <span class="statement" id="st-d0_s6" data-properties="inflorescence position;inflorescence position;inflorescence architecture;inflorescence architecture;inflorescence arrangement;inflorescence architecture"><b>Inflorescences </b>axillary or terminal, capitate or spicate to ± racemose, bracteate.</span> <span class="statement" id="st-d0_s7" data-properties="flower reproduction;flower reproduction"><b>Flowers </b>bisexual or unisexual;</span> <span class="statement" id="st-d0_s8" data-properties="perianth position;perianth architecture or arrangement;perianth architecture;perianth size;perianth presence;hypanthium presence">perianth epigynous, 1-2-seriate, 4-5-merous, often reduced or absent, hypanthium present;</span> <span class="statement" id="st-d0_s9" data-properties="calyx duration;calyx shape;calyx presence">calyx persistent, 4-5 (-7) -lobed, or absent;</span> <span class="statement" id="st-d0_s10" data-properties="petal fusion;petal presence">petals distinct or absent;</span> <span class="statement" id="st-d0_s11" data-properties="stamen quantity">stamens 4-34;</span> <span class="statement" id="st-d0_s12" data-properties="anther fixation;anther dehiscence;anther architecture or structure in adjective form;anther dehiscence;valve quantity;valve orientation">anthers basifixed, latrorse, 2-locular, longitudinally dehiscent by simple slit or by 1-2 vertical valves;</span> <span class="statement" id="st-d0_s13" data-properties="pistil quantity;pistil architecture">pistil 1, 2-carpellate;</span> <span class="statement" id="st-d0_s14" data-properties="">ovary half-inferior, 2-locular;</span> <span class="statement" id="st-d0_s15" data-properties="ovary position;ovary architecture or structure in adjective form;ovary placentation">placentation axile;</span> <span class="statement" id="st-d0_s16" data-properties="ovule atypical quantity;ovule quantity;ovule position;ovule quantity;ovule orientation;ovule orientation">ovules 1 (-2) in each locule and apical, or many, anatropous, pendent;</span> <span class="statement" id="st-d0_s17" data-properties="style duration;style quantity;style orientation;style arrangement or shape;style orientation;stigma duration;stigma orientation;stigma arrangement or shape;stigma orientation">styles and stigmas persistent, 2 each, erect or contorted and recurved.</span> <span class="statement" id="st-d0_s18" data-properties="exocarp texture;endocarp texture;seed quantity"><b>Fruits </b>capsular, with leathery exocarp and bony endocarp, loculicidal and 2-seeded or septicidal with most of many seeds per locule aborted;</span> <span class="statement" id="st-d0_s19" data-properties="fruit architecture;fruit dehiscence;fruit architecture;fruit dehiscence;fruit quantity;seed condition or life cycle">1-2 viable seeds per locule (Liquidambar).</span> <span class="statement" id="st-d0_s20" data-properties="seed shape;seed texture;seed reflectance;hilum position;hilum coloration;seed architecture;hilum position"><b>Seeds </b>fusiform, bony, lustrous, hilum apical, light colored, or seeds winged, hilum lateral (Liquidambar).</span><!--

-->{{Treatment/Body
|distribution=Temperate to tropical regions;e North America;Mexico;Central America;e Asia;Africa (including Madagascar);Pacific Islands;and Australia
|discussion=<p>Genera ca. 31, species ca. 100 (3 genera, 5 species in the flora).</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Trees with simple hairs; leaf blade palmately (3-)5(-7)-lobed and - veined; flowers unisexual, terminal, the staminate in ± racemose heads, each head a clustered mass of numerous stamens, pistillate inflorescences many flowered; capsules septicidal, fused at base into long-pedunculate, globose, echinate heads; viable seeds winged, most seeds aborted.
|[[Liquidambar|Liquidambar]]
|-id=key-0-1
|1
|Shrubs or small trees with stellate pubescence; leaf blade unlobed, pinnately veined; flowers bisexual, in axillary, few-flowered clusters or in many-flowered, elongate spikes; capsules loculicidal, not fused into heads; viable seeds not winged.
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Inflorescences axillary, (1-)3(-5)-flowered clusters; calyx lobes 4, reflexed; petals 4, liguliform, yellow or reddish, deep red to orange; stamens 4, very short; staminodes 4; capsules solitary or 2-3 together.
|[[Hamamelis|Hamamelis]]
|-id=key-0-2
|2
|Inflorescences terminal, elongate, many-flowered spikes; calyx lobes 5-7(-9), erect; petals absent; stamens 12-34; filaments white, 4-17 mm; staminodes absent; capsules in groups of more than 3.
|[[Fothergilla|Fothergilla]]
|}
</div></div><!--

-->{{#Taxon:
name=Hamamelidaceae
|author=Frederick G. Meyer
|authority=R. Brown
|rank=family
|parent rank=
|synonyms=
|basionyms=
|family=Hamamelidaceae
|illustrator=John Myers
|illustration copyright=Flora of North America Association
|distribution=Temperate to tropical regions;e North America;Mexico;Central America;e Asia;Africa (including Madagascar);Pacific Islands;and Australia
|reference=None
|publication title=
|publication year=
|special status=
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V3/V3_664.xml
|anther architecture or structure in adjective form=2-locular
|anther dehiscence=dehiscent;latrorse
|anther fixation=basifixed
|bud architecture=scaly;naked
|bud life cycle=dormant
|calyx duration=persistent
|calyx presence=absent
|calyx shape=4-5(-7)-lobed
|endocarp texture=osseous
|exocarp texture=leathery
|flower reproduction=unisexual;bisexual
|fruit architecture=2-seeded;capsular
|fruit dehiscence=septicidal;loculicidal
|fruit quantity=1;2
|hilum coloration=light colored
|hilum position=lateral;apical
|hypanthium presence=absent
|inflorescence architecture=bracteate;spicate;capitate
|inflorescence arrangement=racemose
|inflorescence position=terminal;axillary
|leaf architecture=petiolate;simple
|leaf arrangement=alternate
|leaf-blade architecture=veined
|leaf-blade shape=(3-)5-7-lobed;unlobed
|ovary architecture or structure in adjective form=2-locular
|ovary placentation=axile
|ovary position=half-inferior
|ovule atypical quantity=1;2
|ovule orientation=pendent;anatropous
|ovule position=apical
|ovule quantity=many;1
|perianth architecture=4-5-merous
|perianth architecture or arrangement=1-2-seriate
|perianth position=epigynous
|perianth presence=absent
|perianth size=reduced
|petal fusion=distinct
|petal presence=absent
|pistil architecture=2-carpellate
|pistil quantity=1
|seed architecture=winged
|seed condition or life cycle=viable
|seed quantity=many
|seed reflectance=lustrous
|seed shape=fusiform
|seed texture=osseous
|stamen quantity=4;34
|stigma arrangement or shape=contorted
|stigma duration=persistent
|stigma orientation=recurved;erect
|stipule duration=deciduous
|style arrangement or shape=contorted
|style duration=persistent
|style orientation=recurved;erect
|style quantity=2
|valve orientation=vertical
|valve quantity=1;2
|whole_organism architecture=simple;simple
|whole_organism duration=deciduous;deciduous
|whole_organism growth form=shrub;tree
|whole_organism pubescence=stellate;stellate
}}<!--

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