View source for Sicyos ← Sicyos 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=Sicyos |accepted_authority=Linnaeus |publications={{Treatment/Publication |title=Sp. Pl. |place=2: 1013. 1753 |year=1753 }}, {{Treatment/Publication |title=Gen. Pl. ed. |place=5, 443. 1754 |year=1754 }} |common_names=Bur cucumber |basionyms= |synonyms= |hierarchy=Cucurbitaceae;Sicyos |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Cucurbitaceae]]</div><div class="higher-taxon"><small>genus</small>[[Sicyos]]</div></div> |etymology=Greek sikyos, cucumber or gourd |volume=Volume 6 |mention_page=page 3, 4, 5 |treatment_page=page 25 }}<!-- --><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>annual, monoecious, climbing or trailing; stems glabrous or hairy, often viscid-pubescent when young; roots fibrous; tendrils 2–5-branched from a common point. <b>Leaves</b> sessile or subsessile to petiolate; blade ovate or orbiculate to suborbiculate or reniform, deeply to shallowly palmately 3–5-angular-lobed, lobes triangular to deltate, margins usually serrate to denticulate, surfaces eglandular. <b>Inflorescences</b>: staminate flowers 3–22(–34) in axillary racemes or panicles; pistillate flowers 4–16, sessile to subsessile in umbelliform clusters at peduncle apex, from same axils as staminate, peduncles erect at apex; bracts absent. <b>Flowers</b>: hypanthium cupulate to shallowly campanulate; sepals 5, ovate to deltate or subulate, linear, linear-triangular, or narrowly triangular; petals 5, connate 1/4–1/2 length, white to greenish white, yellowish green, or yellow, triangular to lanceolate or narrowly lanceolate, 0.5–1.5 mm, glabrous abaxially, often glandular adaxially, corolla campanulate to cupulate. <b>Staminate</b> flowers: stamens (2–)3(–5); filaments inserted at base of hypanthium, connate 1 mm; thecae connate into head, horseshoe-shaped, connective slightly broadened; pistillodes absent. <b>Pistillate</b> flowers: ovary 1-locular, ovoid-fusiform; ovules 1 per locule; style 1, narrow; stigmas 1, obscurely 2–3-lobed; staminodes absent. <b>Fruits</b> pepos, dark green to gray at maturity, fusiform to ovoid, beaked or not, dry, thin-walled, echinate or spinulose, usually also with shorter hairs, rarely glabrous, indehiscent. <b>Seeds</b> 1, ovoid, compressed, not arillate, margins not differentiated but sometimes with 2 small swellings at base, surface smooth. <b>x</b> = 12.</span><!-- -->{{Treatment/Body |distribution=North America;Mexico;Central America;South America;Pacific Islands;Australia;introduced in Europe;e Asia. |discussion=<p>Species ca. 50 (4 in the flora).</p><!-- --><p>Attribution of <i>Sicyos</i> parviflorus A. Gray ex Naudin to the United States has been based on misapplication of the name. The type of <i>S. parviflorus</i> was collected from the vicinity of Mexico City, and the species occurs from central Mexico through Central America into South America (R. Lira 2001).</p> |tables= |references={{Treatment/Reference |id=nesom2011b |text=Nesom, G. L. 2011. Taxonomy of Sicyos (Cucurbitaceae) in the USA. Phytoneuron 2011-15: 1–11. }} }}<!-- --><div class="treatment-key"> ==Key== <div class="treatment-key-group"> {| class="wikitable fna-keytable" |-id=key-0-1 |1 |Pepos ovoid-beaked, 9–15 mm; stigmas 3-lobed; e, c North America, including Texas. |[[Sicyos angulatus|Sicyos angulatus]] |-id=key-0-1 |1 |Pepos ovoid, 4–8 mm; stigmas 2- or 3-lobed; Arizona, New Mexico, Texas |[[#key-0-2| > 2]] |-id=key-0-2 |2 |Pepos not echinate. |[[Sicyos glaber|Sicyos glaber]] |-id=key-0-2 |2 |Pepos echinate |[[#key-0-3| > 3]] |-id=key-0-3 |3 |Staminate inflorescences 10–16-flowered, peduncle plus floral axis 40–140 mm; stigmas 3-lobed; mature stems glabrate to sparsely minutely stipitate-glandular; leaf blades deeply lobed, sinuses (1/3–)1/2–2/3 to base, margins not dentate, evenly sharply indurate-apiculate, proximal pair of lateral veins divergent from edge of basal sinus. |[[Sicyos microphyllus|Sicyos microphyllus]] |-id=key-0-3 |3 |Staminate inflorescences 3–10-flowered, peduncle plus floral axis 3–25 mm; stigmas 2-lobed; mature stems glabrescent but remaining villous and stipitate-glandular; leaf blades shallowly lobed to angulate, sinuses 1/5–1/4 to base, margins evenly and shallowly dentate, teeth sharply indurate-apiculate, proximal pair of lateral veins closely bordering edge of basal sinus. |[[Sicyos laciniatus|Sicyos laciniatus]] |} </div></div><!-- -->{{#Taxon: name=Sicyos |author= |authority=Linnaeus |rank=genus |parent rank=family |synonyms= |basionyms= |family=Cucurbitaceae |distribution=North America;Mexico;Central America;South America;Pacific Islands;Australia;introduced in Europe;e Asia. |reference=nesom2011b |publication title=Sp. Pl.;Gen. Pl. ed. |publication year=1753;1754 |special status= |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V6/V6_36.xml |genus=Sicyos }}<!-- -->[[Category:Treatment]][[Category:Cucurbitaceae]] Templates used on this page: Template:Cucurbitaceae (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 Sicyos.