View source for Swallenia ← Swallenia 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=Swallenia |accepted_authority=Soderstr. & H.F. Decker |publications= |basionyms= |synonyms= |hierarchy=Poaceae;Poaceae subfam. Chloridoideae;Poaceae tribe Cynodonteae;Swallenia |hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Poaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Poaceae subfam. Chloridoideae]]</div><div class="higher-taxon"><small>tribe</small>[[Poaceae tribe Cynodonteae]]</div><div class="higher-taxon"><small>genus</small>[[Swallenia]]</div></div> |volume=Volume 25 |mention_page= |treatment_page=page 24 }}<!-- --><span class="statement" id="st-d0_s0" data-properties=""><b>Plants </b>perennial;</span> <span class="statement" id="st-d0_s1" data-properties="whole_organism duration;whole_organism arrangement;whole_organism growth form;rhizome texture">clumped, rhizomes woody.</span> <span class="statement" id="st-d0_s2" data-properties="culm some measurement;culm architecture"><b>Culms </b>10-60 cm, branched above the base.</span> <span class="statement" id="st-d0_s3" data-properties="leaf position"><b>Leaves </b>mostly basal;</span> <span class="statement" id="st-d0_s4" data-properties="auricle presence">auricles absent;</span> <span class="statement" id="st-d0_s5" data-properties="">ligules of hairs;</span> <span class="statement" id="st-d0_s6" data-properties="blade prominence or shape;blade architecture;blade shape">blades flat, strongly veined, sharply pointed.</span> <span class="statement" id="st-d0_s7" data-properties="inflorescence position or structure subtype;panicle condition or size"><b>Inflorescences </b>terminal, usually exceeding the upper leaves, contracted panicles;</span> <span class="statement" id="st-d0_s8" data-properties="">branches ascend¬ing to erect;</span> <span class="statement" id="st-d0_s9" data-properties="branch orientation">disarticulation beneath the caryopses.</span> <span class="statement" id="st-d0_s10" data-properties="spikelet shape;floret quantity;floret reproduction;distal floret size"><b>Spikelets </b>laterally compressed, unawned, with 3-7 bisexual florets, distal florets reduced.</span> <span class="statement" id="st-d0_s11" data-properties="glume size;glume length or size;glume shape;lemma arrangement"><b>Glumes </b>subequal, longer than the adjacent lemmas but exceeded by the distal florets, acuminate;</span> <span class="statement" id="st-d0_s12" data-properties="lower glume architecture">lower glumes 5-7-veined;</span> <span class="statement" id="st-d0_s13" data-properties="upper glume architecture">upper glumes 7-11-veined;</span> <span class="statement" id="st-d0_s14" data-properties="callus pubescence">calluses hairy;</span> <span class="statement" id="st-d0_s15" data-properties="lemma texture;lemma architecture;lemma pubescence;lemma shape">lemmas membranous to papery, 5-7-veined, densely villous on the margins, sometimes also between the veins, unawned to mucronate;</span> <span class="statement" id="st-d0_s16" data-properties="palea variability;palea variability">paleas equaling or exceed¬ing the lemmas;</span> <span class="statement" id="st-d0_s17" data-properties="anther quantity">anthers 3.</span> <span class="statement" id="st-d0_s18" data-properties=""><b>Caryopses </b>falling free from the lemma and palea.</span> <span class="statement" id="st-d0_s19" data-properties="caryopsis life cycle;caryopsis fusion;x chromosome quantity">x = 10.</span><!-- -->{{Treatment/Body |distribution=Calif. |discussion=<p>Swallenia is a monotypic genus, endemic to California. It is unusual in that only its caryopses break off the plant.</p> |tables= |references={{Treatment/Reference |id=gomez-sanchez2001a |text=Gomez-Sanchez, M., P. Davila-Aranda, and J. Valdes-Reyna. Estudio anatomica de Swallenia (Poaceae: Eragroistideae: Monanthochloinae), un genero monotipico de Norte America. Madrono 48:152-161 (2001) [publication date 2002] }}{{Treatment/Reference |id=henry1979a |text=Henry, M.A. 1979. A rare grass on the Eureka dunes. Fremontia 7:3-6 }}{{Treatment/Reference |id=pavlik1988a |text=Pavlik, B.M. and M.G. Barbour. 1988. Demographic monitoring of endemic sand dune plants, Eureka Valley, California. Biol. Conservation 46:217-242. }} }}<!-- --><!-- -->{{#Taxon: name=Swallenia |authority=Soderstr. & H.F. Decker |rank=genus |parent rank=tribe |synonyms= |basionyms= |family=Poaceae |distribution=Calif. |reference=gomez-sanchez2001a;henry1979a;pavlik1988a |publication title= |publication year= |special status= |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V25/V25_32.xml |subfamily=Poaceae subfam. Chloridoideae |tribe=Poaceae tribe Cynodonteae |genus=Swallenia |anther quantity=3 |auricle presence=absent |blade architecture=veined |blade prominence or shape=flat |blade shape=pointed |branch orientation=erect |callus pubescence=hairy |caryopsis fusion=free |caryopsis life cycle=falling |culm architecture=branched |culm some measurement=10cm;60cm |distal floret size=reduced |floret quantity=3;7 |floret reproduction=bisexual |glume length or size=longer |glume shape=acuminate |glume size=subequal |inflorescence position or structure subtype=terminal |leaf position=basal |lemma architecture=5-7-veined |lemma arrangement=adjacent |lemma pubescence=villous |lemma shape=mucronate |lemma texture=membranous;papery |lower glume architecture=5-7-veined |palea variability=exceed ¬ ing the lemmas;equaling |panicle condition or size=contracted |rhizome texture=woody |spikelet shape=compressed |upper glume architecture=7-11-veined |whole_organism arrangement=clumped |whole_organism duration=perennial |whole_organism growth form=plant |x chromosome quantity=10 }}<!-- -->[[Category:Treatment]][[Category:Poaceae tribe Cynodonteae]] Templates used on this page: Template:Poaceae (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/Reference (view source) Return to Swallenia.