Difference between revisions of "Peniocereus greggii"

(Engelmann) Britton & Rose

Contr. U.S. Natl. Herb. 12: 428. 1909.

Common names: Desert night-blooming cereus Arizona queen-of-the-night
Basionym: Cereus greggii Engelmann
Treatment appears in FNA Volume 4. Treatment on page 156. Mentioned on page 157.
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--><span class="statement" id="st-d0_s0" data-properties="shrub orientation;shrub orientation;shrub orientation;shrub prominence"><b>Shrubs,</b> erect to sprawling, usually inconspicuous.</span> <span class="statement" id="st-d0_s1" data-properties="root shape;root length;root width"><b>Roots </b>turnip-shaped, usually 15–30 × 5–12 cm (much larger ones known).</span> <span class="statement" id="st-d0_s2" data-properties="stem coloration;stem coloration;stem coloration;stem architecture;stem architecture;stem atypical some measurement;stem some measurement;stem diameter;stem shape;branch count;midlength diameter"><b>Stems </b>gray-green to gray, simple or with 2–5 branches, 40–120 (–300) cm, distally 8–20 mm diam., at midlength ca. 10 mm diam., often narrowed toward base;</span> <span class="statement" id="st-d0_s3" data-properties="wood architecture;wood architecture;wood shape;wood diameter">wood hollow, solid-surfaced cylinders, 4–7 mm diam.;</span> <span class="statement" id="st-d0_s4" data-properties="rib count;rib prominence">ribs 4–6, prominent;</span> <span class="statement" id="st-d0_s5" data-properties="areole atypical some measurement;areole atypical some measurement;areole some measurement;areole arrangement;areole arrangement or shape;areole arrangement or shape;areole arrangement or shape;areole length;areole width">areoles (3.5–) 12 (–15) mm apart along ribs, circular to elliptic, 2–5 × 2 mm.</span> <span class="statement" id="st-d0_s6" data-properties="spine atypical count;spine atypical count;spine count;row count;row orientation"><b>Spines </b>(9–) 11–15 (–17) per areole, usually in 3 vertical rows;</span> <span class="statement" id="st-d0_s7" data-properties="abaxial spine count;spine fixation or orientation;spine coloration;spine some measurement;spine pubescence">abaxial 3–5 spines appressed, yellowish white throughout or only at tips, to 3 mm, puberulent when young;</span> <span class="statement" id="st-d0_s8" data-properties="adaxial spine coloration;adaxial spine shape;adaxial spine some measurement">adaxial spines black, subulate, to 1 mm.</span> <span class="statement" id="st-d0_s9" data-properties="flower duration;flower some measurement"><b>Flowers:</b> nocturnal (remaining open next day), 15–25 cm;</span> <span class="statement" id="st-d0_s10" data-properties="scale coloration;scale coloration;scale coloration">scales of flower tubes green, tipped red or brown;</span> <span class="statement" id="st-d0_s11" data-properties="outer tepal coloration;midstripe coloration;midstripe coloration;midstripe coloration">outer tepals greenish white with brown to reddish midstripes;</span> <span class="statement" id="st-d0_s12" data-properties="inner tepal coloration;inner tepal coloration;inner tepal coloration;inner tepal shape;inner tepal architecture or shape;inner tepal some measurement;inner tepal shape;inner tepal shape;inner tepal shape">inner tepals white or lightly tinged cream or pink (or rarely all rose-pink), lanceolate-attenuate, apiculate, 4–7 cm, attenuate to mucronate;</span> <span class="statement" id="st-d0_s13" data-properties="stamen some measurement">stamens 2.5 cm;</span> <span class="statement" id="st-d0_s14" data-properties="anther coloration;anther some measurement">anthers cream-yellow, 2 mm;</span> <span class="statement" id="st-d0_s15" data-properties="style coloration;style some measurement">style white, 10–14 cm;</span> <span class="statement" id="st-d0_s16" data-properties="stigma lobe count;stigma lobe coloration">stigma lobes 9–11, white.</span> <span class="statement" id="st-d0_s17" data-properties="fruit coloration;fruit coloration;fruit shape;fruit length;fruit width"><b>Fruits </b>bright red, darkening in age, ellipsoid, 60–90 × 40–50 mm.</span> <span class="statement" id="st-d0_s18" data-properties="seed length;seed width;2n chromosome count"><b>Seeds </b>3–4 × 2–2.5 mm. <b>2n</b> = 22.</span><!--
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--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs,</b> erect to sprawling, usually inconspicuous. <b>Roots</b> turnip-shaped, usually 15–30 × 5–12 cm (much larger ones known). <b>Stems</b> gray-green to gray, simple or with 2–5 branches, 40–120(–300) cm, distally 8–20 mm diam., at midlength ca. 10 mm diam., often narrowed toward base; wood hollow, solid-surfaced cylinders, 4–7 mm diam.; ribs 4–6, prominent; areoles (3.5–)12(–15) mm apart along ribs, circular to elliptic, 2–5 × 2 mm. <b>Spines</b> (9–)11–15(–17) per areole, usually in 3 vertical rows; abaxial 3–5 spines appressed, yellowish white throughout or only at tips, to 3 mm, puberulent when young; adaxial spines black, subulate, to 1 mm. <b>Flowers</b>: nocturnal (remaining open next day), 15–25 cm; scales of flower tubes green, tipped red or brown; outer tepals greenish white with brown to reddish midstripes; inner tepals white or lightly tinged cream or pink (or rarely all rose-pink), lanceolate-attenuate, apiculate, 4–7 cm, attenuate to mucronate; stamens 2.5 cm; anthers cream-yellow, 2 mm; style white, 10–14 cm; stigma lobes 9–11, white. <b>Fruits</b> bright red, darkening in age, ellipsoid, 60–90 × 40–50 mm. <b>Seeds</b> 3–4 × 2–2.5 mm. <b>2n</b> = 22.</span><!--
  
 
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|publication year=1909
 
|publication year=1909
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V4/V4_301.xml
+
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V4/V4_301.xml
 
|subfamily=Cactaceae subfam. Cactoideae
 
|subfamily=Cactaceae subfam. Cactoideae
 
|genus=Peniocereus
 
|genus=Peniocereus
 
|species=Peniocereus greggii
 
|species=Peniocereus greggii
|2n chromosome count=22
 
|abaxial spine count=3;5
 
|adaxial spine coloration=black
 
|adaxial spine shape=subulate
 
|adaxial spine some measurement=0mm;1mm
 
|anther coloration=cream-yellow
 
|anther some measurement=2
 
|areole arrangement=apart
 
|areole arrangement or shape=circular;elliptic
 
|areole atypical some measurement=12mm;15mm
 
|areole length=2mm;5mm
 
|areole some measurement=12
 
|areole width=2
 
|branch count=2;5
 
|flower duration=nocturnal
 
|flower some measurement=15cm;25cm
 
|fruit coloration=darkening;bright red
 
|fruit length=60mm;90mm
 
|fruit shape=ellipsoid
 
|fruit width=40mm;50mm
 
|inner tepal architecture or shape=apiculate
 
|inner tepal coloration=pink;tinged cream;white
 
|inner tepal shape=attenuate;mucronate
 
|inner tepal some measurement=4cm;7cm
 
|midlength diameter=10
 
|midstripe coloration=brown;reddish
 
|outer tepal coloration=greenish white
 
|rib count=4;6
 
|rib prominence=prominent
 
|root length=15cm;30cm
 
|root shape=turnip-shaped
 
|root width=5cm;12cm
 
|row count=3
 
|row orientation=vertical
 
|scale coloration=brown;tipped red;green
 
|seed length=3mm;4mm
 
|seed width=2mm;2.5mm
 
|shrub orientation=erect;sprawling
 
|shrub prominence=inconspicuous
 
|spine atypical count=15;17
 
|spine coloration=yellowish white
 
|spine count=11;15
 
|spine fixation or orientation=appressed
 
|spine pubescence=puberulent
 
|spine some measurement=0mm;3mm
 
|stamen some measurement=2.5
 
|stem architecture=with 2-5 branches;simple
 
|stem atypical some measurement=120cm;300cm
 
|stem coloration=gray-green;gray
 
|stem diameter=8mm;20mm
 
|stem shape=narrowed
 
|stem some measurement=40cm;120cm
 
|stigma lobe coloration=white
 
|stigma lobe count=9;11
 
|style coloration=white
 
|style some measurement=10cm;14cm
 
|wood architecture=solid-surfaced;hollow
 
|wood diameter=4mm;7mm
 
|wood shape=cylinders
 
 
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Revision as of 14:04, 27 July 2019

Shrubs, erect to sprawling, usually inconspicuous. Roots turnip-shaped, usually 15–30 × 5–12 cm (much larger ones known). Stems gray-green to gray, simple or with 2–5 branches, 40–120(–300) cm, distally 8–20 mm diam., at midlength ca. 10 mm diam., often narrowed toward base; wood hollow, solid-surfaced cylinders, 4–7 mm diam.; ribs 4–6, prominent; areoles (3.5–)12(–15) mm apart along ribs, circular to elliptic, 2–5 × 2 mm. Spines (9–)11–15(–17) per areole, usually in 3 vertical rows; abaxial 3–5 spines appressed, yellowish white throughout or only at tips, to 3 mm, puberulent when young; adaxial spines black, subulate, to 1 mm. Flowers: nocturnal (remaining open next day), 15–25 cm; scales of flower tubes green, tipped red or brown; outer tepals greenish white with brown to reddish midstripes; inner tepals white or lightly tinged cream or pink (or rarely all rose-pink), lanceolate-attenuate, apiculate, 4–7 cm, attenuate to mucronate; stamens 2.5 cm; anthers cream-yellow, 2 mm; style white, 10–14 cm; stigma lobes 9–11, white. Fruits bright red, darkening in age, ellipsoid, 60–90 × 40–50 mm. Seeds 3–4 × 2–2.5 mm. 2n = 22.

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Areoles elliptic, 4-5 × 2 mm; adaxial spines tending to be directed toward tip of plant; abaxial spines directed toward base of plant; flowers 15-17 × 5-6 cm Peniocereus greggii var. greggii
1 Areoles nearly circular, 2 × 2 mm; spines radially spreading; flowers 22-25 × 7-8 cm Peniocereus greggii var. transmontanus