View source for Jamesia ← Jamesia You do not have permission to edit this page, for the following reason: The action you have requested is limited to users in the group: Users. You can view and copy the source of this page. {{Treatment/ID |accepted_name=Jamesia |accepted_authority=Torrey & A. Gray |publications={{Treatment/Publication |title=Fl. N. Amer. |place=1: 593. 1840 |year=1840 }} |common_names=Cliffbush;waxflower |basionyms= |synonyms= |hierarchy=Hydrangeaceae;Jamesia |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Hydrangeaceae]]</div><div class="higher-taxon"><small>genus</small>[[Jamesia]]</div></div> |etymology=For Edwin P. James, 1797–1861, American physician and naturalist on the Stephen Harriman Long expeditions of 1819 & 1820 |volume=Volume 12 |mention_page=page 462, 463 |treatment_page=page 464 }}<!-- --><span class="statement" id="st-d0_s0" data-properties="whole_organism growth form"><b>Shrubs.</b></span> <span class="statement" id="st-d0_s1" data-properties="stem orientation;stem orientation"><b>Stems </b>ascending or spreading.</span> <span class="statement" id="st-d0_s2" data-properties="bark relief"><b>Bark </b>exfoliating in sheets, strips, or strings.</span> <span class="statement" id="st-d0_s3" data-properties="branch orientation;branch orientation;branch orientation;branch orientation;branch orientation"><b>Branches </b>ascending, spreading, or descending;</span> <span class="statement" id="st-d0_s4" data-properties="trichome architecture">twigs with simple trichomes.</span> <span class="statement" id="st-d0_s5" data-properties="leaf duration;leaf arrangement"><b>Leaves </b>deciduous, opposite;</span> <span class="statement" id="st-d0_s6" data-properties="petiole presence">petiole present;</span> <span class="statement" id="st-d0_s7" data-properties="blade shape;blade shape;blade shape;blade growth form or texture">blade ovate or broadly ovate to obovate, rhombic, or suborbiculate, herbaceous, margins usually crenate to dentate, rarely entire, plane;</span> <span class="statement" id="st-d0_s8" data-properties="margin shape;margin architecture or shape;margin shape;margin shape;margin shape;margin architecture or shape">venation pinnate.</span> <span class="statement" id="st-d0_s9" data-properties="inflorescence position or structure subtype;cyme architecture;flower architecture or arrangement or growth form"><b>Inflorescences </b>terminal, cymes, 2–35-flowered, sometimes flowers solitary;</span> <span class="statement" id="st-d0_s10" data-properties="peduncle presence;peduncle presence">peduncle absent or present.</span> <span class="statement" id="st-d0_s11" data-properties="pedicel presence"><b>Pedicels </b>present.</span> <span class="statement" id="st-d0_s12" data-properties="flower reproduction"><b>Flowers </b>bisexual;</span> <span class="statement" id="st-d0_s13" data-properties="perianth position;androecium position">perianth and androecium perigynous;</span> <span class="statement" id="st-d0_s14" data-properties="hypanthium fusion;hypanthium shape;hypanthium architecture or shape">hypanthium completely adnate to ovary, hemispheric, not ribbed in fruit;</span> <span class="statement" id="st-d0_s15" data-properties="sepal duration;sepal quantity;sepal orientation;sepal shape;sepal pubescence;sepal pubescence;sepal pubescence;sepal pubescence;sepal pubescence">sepals persistent, 4–5, erect, lanceolate to narrowly ovate, sparsely to densely strigose, canescent, or sericeous;</span> <span class="statement" id="st-d0_s16" data-properties="petal quantity;petal arrangement;petal orientation;petal coloration;petal coloration;petal shape;petal shape;base shape;surface pubescence">petals 4–5, imbricate, spreading, white or pink, obovate or oblanceolate, base clawed, sometimes obscurely, surfaces hairy;</span> <span class="statement" id="st-d0_s17" data-properties="stamen quantity;stamen quantity">stamens 8 or 10;</span> <span class="statement" id="st-d0_s18" data-properties="all fusion;all shape;all shape;all shape;apex size or width;apex shape">filaments distinct, dorsiventrally flattened, gradually or abruptly tapered from base to narrow apex, apex not 2-lobed;</span> <span class="statement" id="st-d0_s19" data-properties="anther shape">anthers depressed-ovate;</span> <span class="statement" id="st-d0_s20" data-properties="pistil architecture">pistil 3–5-carpellate, ovary to 1/2 inferior, partially 3–5-locular initially, becoming 1-locular;</span> <span class="statement" id="st-d0_s21" data-properties="ovary quantity;ovary position;ovary architecture or structure in adjective form;ovary architecture or structure in adjective form;ovary placentation;ovary arrangement">placentation axile proximally, parietal distally;</span> <span class="statement" id="st-d0_s22" data-properties="style duration;style atypical quantity;style quantity;style fusion">styles persistent, (2–) 3–5, distinct.</span> <span class="statement" id="st-d0_s23" data-properties="capsule shape;capsule shape;capsule texture;capsule dehiscence"><b>Capsules </b>ovoid or conic, indurate, dehiscence basipetally septicidal to middle of fruit.</span> <span class="statement" id="st-d0_s24" data-properties=""><b>Seeds </b>25–50 per locule, orangish brown or tan, ellipsoid.</span> <span class="statement" id="st-d0_s25" data-properties="seed quantity;seed coloration;seed coloration;seed shape;x chromosome quantity">x = 16.</span><!-- -->{{Treatment/Body |distribution=United States;n Mexico |discussion=<p>Species 2 (2 in the flora).</p><!-- --><p>This treatment of Jamesia is essentially an adaptation of that by N. H. Holmgren and P. K. Holmgren (1989).</p><!-- --><p>Fossil leaves referred to Jamesia have been identified in Oligocene sediments from Colorado and Montana; the identity of material from the latter site is ambiguous (N. H. Holmgren and P. K. Holmgren 1989).</p><!-- --><p>In the key and descriptions that follow, tooth number is per leaf.</p> |tables= |references={{Treatment/Reference |id=holmgren1989a |text=Holmgren, N. H. and P. K. Holmgren. 1989. A taxonomic study of Jamesia (Hydrangeaceae). Brittonia 41: 335–350. }} }}<!-- --><div class="treatment-key"> ==Key== <div class="treatment-key-group"> {| class="wikitable fna-keytable" |-id=key-0-1 |1 |Sepals 5; petals 5; stamens 10; inflorescences usually 3–35-flowered, cymose, rarely 1–2-flowered on lateral branches; leaf blade margins (5–)9–51(–69)-toothed. |[[Jamesia americana|Jamesia americana]] |-id=key-0-1 |1 |Sepals 4; petals 4; stamens 8; inflorescences (1–)3-flowered; leaf blade margins usually 3–13(–16)-toothed, rarely entire. |[[Jamesia tetrapetala|Jamesia tetrapetala]] |} </div></div><!-- -->{{#Taxon: name=Jamesia |author=Craig C. Freeman |authority=Torrey & A. Gray |rank=genus |parent rank=family |synonyms= |basionyms= |family=Hydrangeaceae |distribution=United States;n Mexico |reference=holmgren1989a |publication title=Fl. N. Amer. |publication year=1840 |special status= |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V12/V12_455.xml |genus=Jamesia |all fusion=distinct |all shape=tapered;or;flattened |androecium position=perigynous |anther shape=depressed-ovate |apex shape=not 2-lobed |apex size or width=narrow |bark relief=exfoliating |base shape=clawed |blade growth form or texture=herbaceous |blade shape=broadly ovate;obovate rhombic or suborbiculate |branch orientation=descending;spreading;descending;spreading;ascending |capsule dehiscence=septicidal |capsule shape=conic;ovoid |capsule texture=indurate |cyme architecture=2-35-flowered |flower architecture or arrangement or growth form=solitary |flower reproduction=bisexual |hypanthium architecture or shape=not ribbed |hypanthium fusion=adnate |hypanthium shape=hemispheric |inflorescence position or structure subtype=terminal |leaf arrangement=opposite |leaf duration=deciduous |margin architecture or shape=pinnate;entire |margin shape=crenate to dentate;crenate;plane;crenate to dentate |ovary architecture or structure in adjective form=1-locular;3-5-locular |ovary arrangement=parietal |ovary placentation=axile |ovary position=inferior |ovary quantity=0;1/2 |pedicel presence=absent |peduncle presence=absent;absent |perianth position=perigynous |petal arrangement=imbricate |petal coloration=pink;white |petal orientation=spreading |petal quantity=4;5 |petal shape=oblanceolate;obovate |petiole presence=absent |pistil architecture=3-5-carpellate |seed coloration=tan;orangish brown |seed quantity=25;50 |seed shape=ellipsoid |sepal duration=persistent |sepal orientation=erect |sepal pubescence=sericeous;canescent;sericeous;canescent;strigose |sepal quantity=4;5 |sepal shape=lanceolate;narrowly ovate |stamen quantity=10;8 |stem orientation=spreading;ascending |style atypical quantity=2;3 |style duration=persistent |style fusion=distinct |style quantity=3;5 |surface pubescence=hairy |trichome architecture=simple |whole_organism growth form=shrub |x chromosome quantity=16 }}<!-- -->[[Category:Treatment]][[Category:Hydrangeaceae]] Templates used on this page: Template:Hydrangeaceae (view source) Template:Treatment/AuthorLink (view source) Template:Treatment/Body (view source) Template:Treatment/Body/Maps (view source) Template:Treatment/ID (view source) Template:Treatment/Publication (view source) Template:Treatment/Reference (view source) Return to Jamesia.