View source for Spiranthes casei

{{Treatment/ID
|accepted_name=Spiranthes casei
|accepted_authority=Catling & Cruise
|publications={{Treatment/Publication
|title=Rhodora
|place=76: 527, figs. 1–4. 1974
|year=1974
}}
|special_status={{Treatment/ID/Special_status
|code=E
|label=Endemic
}}{{Treatment/ID/Special_status
|code=C
|label=Conservation concern
}}
|basionyms=
|synonyms=
|hierarchy=Orchidaceae;Orchidaceae subfam. Orchidoideae;Orchidaceae tribe Cranichideae;Orchidaceae (tribe Cranichideae) subtribe Spiranthinae;Spiranthes;Spiranthes casei
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Orchidaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Orchidaceae subfam. Orchidoideae]]</div><div class="higher-taxon"><small>tribe</small>[[Orchidaceae tribe Cranichideae]]</div><div class="higher-taxon"><small>subtribe</small>[[Orchidaceae (tribe Cranichideae) subtribe Spiranthinae]]</div><div class="higher-taxon"><small>genus</small>[[Spiranthes]]</div><div class="higher-taxon"><small>species</small>[[Spiranthes casei]]</div></div>
|volume=Volume 26
|mention_page=page 532, 539, 540
|treatment_page=page 541
}}<!--

--><span class="statement" id="st-d0_s0" data-properties="whole_organism some measurement;whole_organism growth form"><b>Plants </b>7–44 cm.</span> <span class="statement" id="st-d0_s1" data-properties="root size;root quantity;root orientation;root size;root size or width;root diameter"><b>Roots </b>few–several, descending, slender to somewhat tuberously thickened, mostly to 0.5 cm diam.</span> <span class="statement" id="st-d0_s2" data-properties="leaf duration;leaf orientation;leaf shape;leaf shape;leaf length;leaf width;basal leaf life cycle"><b>Leaves </b>persisting through anthesis, basal and on proximal portion of stem, ascending to spreading, ovatelanceolate to linearlanceolate to oblanceolate, to 20 × 2 cm.</span> <span class="statement" id="st-d0_s3" data-properties="spike arrangement;spike quantity"><b>Spikes </b>loosely spiraled, usually 5 or more flowers per cycle of spiral;</span> <span class="statement" id="st-d0_s4" data-properties="rachis pubescence;trichome architecture or shape;gland architecture">rachis moderately to densely pubescent, some trichomes capitate, glands obviously stalked.</span> <span class="statement" id="st-d0_s5" data-properties="flower coloration;flower orientation;flower course;flower orientation;flower architecture;flower shape"><b>Flowers </b>ivory to yellowish white or greenish cream, strongly nodding, curved downward throughout lengths, scarcely gaping, urceolate-tubular;</span> <span class="statement" id="st-d0_s6" data-properties="sepal fusion;sepal some measurement">sepals distinct to base, 5.2–8 mm;</span> <span class="statement" id="st-d0_s7" data-properties="lateral sepal orientation;apex course">lateral sepals slightly spreading, apex straight;</span> <span class="statement" id="st-d0_s8" data-properties="petal coloration;petal shape;petal some measurement;apex shape">petals creamy white to greenish white, ovate-elliptic to obovate, 3.9–7.6 mm, apex obtuse;</span> <span class="statement" id="st-d0_s9" data-properties="lip coloration;lip length;lip width;lip pubescence">lip often darker centrally, 4.1–8 × 3.2–5.1 mm, glabrous;</span> <span class="statement" id="st-d0_s10" data-properties="vein quantity;branch arrangement">veins several, branches parallel;</span> <span class="statement" id="st-d0_s11" data-properties="basal callus orientation;basal callus prominence;basal callus some measurement">basal calli incurved, prominent, 0.7–1.1 mm;</span> <span class="statement" id="st-d0_s12" data-properties="viscidium arrangement or course or shape">viscidia linear to linearlanceolate;</span> <span class="statement" id="st-d0_s13" data-properties="ovary some measurement">ovary 4–7 mm.</span> <span class="statement" id="st-d0_s14" data-properties="seed architecture"><b>Seeds </b>partly or wholly polyembryonic.</span><!--

-->{{Treatment/Body
|distribution=e;c North America along Canadian and Unites States border
|discussion=<p>Varieties 2 (2 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
|Lip ovate to ovate-oblong, apex truncate, margin thin, delicately crisped and fringed.
|[[Spiranthes casei var. casei|Spiranthes casei var. casei]]
|-id=key-0-1
|1
|Lip ovate, apex acute, margin thick and inflexed.
|[[Spiranthes casei var. novaescotiae|Spiranthes casei var. novaescotiae]]
|}
</div></div><!--

-->{{#Taxon:
name=Spiranthes casei
|authority=Catling & Cruise
|rank=species
|parent rank=genus
|synonyms=
|basionyms=
|family=Orchidaceae
|distribution=e;c North America along Canadian and Unites States border
|reference=None
|publication title=Rhodora
|publication year=1974
|special status=Endemic;Conservation concern
|source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V26/V26_1101.xml
|subfamily=Orchidaceae subfam. Orchidoideae
|tribe=Orchidaceae tribe Cranichideae
|subtribe=Orchidaceae (tribe Cranichideae) subtribe Spiranthinae
|genus=Spiranthes
|species=Spiranthes casei
|apex course=straight
|apex shape=obtuse
|basal callus orientation=incurved
|basal callus prominence=prominent
|basal callus some measurement=0.7mm;1.1mm
|basal leaf life cycle=anthesis
|branch arrangement=parallel
|flower architecture=gaping
|flower coloration=ivory;yellowish white or greenish cream
|flower course=curved
|flower orientation=downward;nodding
|flower shape=urceolate-tubular
|gland architecture=stalked
|lateral sepal orientation=spreading
|leaf duration=persisting
|leaf length=0cm;20cm
|leaf orientation=ascending;spreading
|leaf shape=oblanceolate;ovatelanceolate
|leaf width=0cm;2cm
|lip coloration=darker
|lip length=4.1mm;8mm
|lip pubescence=glabrous
|lip width=3.2mm;5.1mm
|ovary some measurement=4mm;7mm
|petal coloration=creamy white;greenish white
|petal shape=ovate-elliptic;obovate
|petal some measurement=3.9mm;7.6mm
|rachis pubescence=pubescent
|root diameter=0cm;0.5cm
|root orientation=descending
|root quantity=few;several
|root size=slender to somewhat;slender to somewhat
|root size or width=thickened
|seed architecture=polyembryonic
|sepal fusion=distinct
|sepal some measurement=5.2mm;8mm
|spike arrangement=spiraled
|spike quantity=5
|trichome architecture or shape=capitate
|vein quantity=several
|viscidium arrangement or course or shape=linear
|whole_organism growth form=plant
|whole_organism some measurement=7cm;44cm
}}<!--

-->[[Category:Treatment]][[Category:Spiranthes]]