View source for Nemastylis

{{Treatment/ID
|accepted_name=Nemastylis
|accepted_authority=Nuttall
|publications={{Treatment/Publication
|title=Trans. Amer. Philos. Soc., n. s.,
|place=5: 157. 1835
|year=1835
}}
|common_names=Celestial-lily;shell-flower
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Chlamydostylus
|authority=Baker
|rank=genus
}}
|hierarchy=Iridaceae;Nemastylis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Iridaceae]]</div><div class="higher-taxon"><small>genus</small>[[Nemastylis]]</div></div>
|etymology=Greek nema, thread, and stylos, pillar or rod, alluding to the style with threadlike arms
|volume=Volume 26
|mention_page=page 17, 349
|treatment_page=page 398
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Herbs,</b> perennial, from tunicate, ovoid bulbs; tunic brown, dry, brittle, papery. <b>Stems</b> simple or branched. <b>Leaves</b> few; blade pleated, lanceolate to ± linear. <b>Inflorescences</b> rhipidiate, few-flowered; spathes green, unequal, outer shorter than inner, apex usually brown, acute, dry. <b>Flowers</b> short-lived, actinomorphic; tepals spreading from base, distinct, blue [to mauve, or white], ± equal [outer whorl slightly larger than inner]; filaments distinct or partly to completely connate; anthers initially erect, collapsing in spiral fashion after dehiscing; style branching ± at or shortly below base of anthers; branches divided ± to base, 2-armed; arms filiform, extending horizontally on either side of subtending anther, stigmatic apically. <b>Capsules</b> ovoid to oblong, cartilaginous, apex truncate to turbinate. <b>Seeds</b> many, ± prismatic, or compressed, winged; seed coat brown. <b>x</b> = 7.</span><!--

-->{{Treatment/Body
|distribution=North America (incl. Mexico);Central America.
|discussion=<p>Species 5 (4 in the flora).</p>
|tables=
|references={{Treatment/Reference
|id=foster1945a
|text=Foster, R. C. 1945. Studies in the Iridaceae, III. Contr. Gray Herb. 155: 3–54.
}}
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Cauline leaf blades well developed, 4–20 mm wide; filaments distinct or connate basally; anthers 11–15 mm.
|[[Nemastylis geminiflora|Nemastylis geminiflora]]
|-id=key-0-1
|1
|Cauline leaf blades narrow, less than 4 mm wide, or bractlike; filaments connate entirely or only in proximal 1/2, rarely connate only basally; anthers 1.5–10 mm.
|[[#key-0-2| > 2]]
|-id=key-0-2
|2
|Plants 40–150 cm; stems usually 3–6-branched; style branches ca. 5 mm; blooming mainly Aug–Oct.
|[[Nemastylis floridana|Nemastylis floridana]]
|-id=key-0-2
|2
|Plants 10–40 cm; stems simple or occasionally 1-branched; style branches 2–4(–5) mm; blooming mainly Mar–Jul.
|[[#key-0-3| > 3]]
|-id=key-0-3
|3
|Filaments connate, 1–2 mm; style branching above base of anthers; Arkansas, Missouri, Oklahoma.
|[[Nemastylis nuttallii|Nemastylis nuttallii]]
|-id=key-0-3
|3
|Filaments connate or distinct in part, 1.5–3.5 mm; style branching below base of anthers; Arizona, Texas, Mexico.
|[[Nemastylis tenuis|Nemastylis tenuis]]
|}
</div></div><!--

-->{{#Taxon:
name=Nemastylis
|author=Peter Goldblatt
|authority=Nuttall
|rank=genus
|parent rank=family
|synonyms=Chlamydostylus
|basionyms=
|family=Iridaceae
|distribution=North America (incl. Mexico);Central America.
|reference=foster1945a
|publication title=Trans. Amer. Philos. Soc., n. s.,
|publication year=1835
|special status=
|source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V26/V26_817.xml
|genus=Nemastylis
}}<!--

-->[[Category:Treatment]][[Category:Iridaceae]]