Difference between revisions of "Abronia umbellata"

Lamarck

Tabl. Encycl. 1: 469, plate 105. 1791.

Treatment appears in FNA Volume 4. Treatment on page 67. Mentioned on page 62, 68.
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--><span class="statement" id="st-d0_s0" data-properties="plant duration"><b>Plants </b>annual.</span> <span class="statement" id="st-d0_s1" data-properties="stem growth form or orientation;stem architecture;stem shape;stem pubescence;stem pubescence;plant size;mat architecture or fragility"><b>Stems </b>prostrate, much branched in large plants, forming loose mats, elongate, glandular-pubescent or glabrous.</span> <span class="statement" id="st-d0_s2" data-properties="petiole some measurement"><b>Leaves:</b> petiole 1–6 cm;</span> <span class="statement" id="st-d0_s3" data-properties="blade shape;blade shape;blade shape;blade shape;blade shape;blade length;blade width;margin shape;margin shape;margin shape;margin shape;surface pubescence;surface pubescence;surface pubescence;surface pubescence">blade ovate, elliptic, or rhombic, 1.5–6.8 × 0.8–4.7 cm, margins entire to ± repand and undulate, surfaces glandular-puberulent to glandular-villous, usually ± glaucous.</span> <span class="statement" id="st-d0_s4" data-properties="peduncle length or size"><b>Inflorescences:</b> peduncle longer than subtending petiole;</span> <span class="statement" id="st-d0_s5" data-properties="bract shape;bract shape;bract shape;bract length;bract width;bract texture;bract pubescence;bract pubescence;bract pubescence">bracts lanceolate to ovate, 5–7 × 3–5 mm, papery, glandular-puberulent to viscid-villous;</span> <span class="statement" id="st-d0_s6" data-properties="flower count">flowers 8–27.</span> <span class="statement" id="st-d0_s7" data-properties="tube coloration;tube coloration;tube coloration;tube some measurement;limb coloration;limb diameter;eyespot coloration;eyespot coloration;eyespot coloration"><b>Perianth:</b> tube magenta to greenish, 6.5–18 mm, limb magenta, 6–16 mm diam., throat surrounded by white to yellowish white eyespot.</span> <span class="statement" id="st-d0_s8" data-properties="fruit shape;fruit length;fruit atypical width;fruit width;fruit texture;fruit architecture or pubescence or relief;fruit relief;fruit architecture;apex shape"><b>Fruits </b>± obdeltate in profile, 6–12 × 6–16 (–24) mm, indurate, smooth, not rugose veined, apex beaklike;</span> <span class="statement" id="st-d0_s9" data-properties="wing count;wing architecture or shape;wing development;wing width;apex height or length or size;apex shape;apex length;apex height or length or size;apex shape;apex length">wings 5, not folded, poorly to very well developed, from slightly shorter than beaklike apex of body to prolonged beyond beak, thin, without cavities.</span><!--
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--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>annual. <b>Stems</b> prostrate, much branched in large plants, forming loose mats, elongate, glandular-pubescent or glabrous. <b>Leaves</b>: petiole 1–6 cm; blade ovate, elliptic, or rhombic, 1.5–6.8 × 0.8–4.7 cm, margins entire to ± repand and undulate, surfaces glandular-puberulent to glandular-villous, usually ± glaucous. <b>Inflorescences</b>: peduncle longer than subtending petiole; bracts lanceolate to ovate, 5–7 × 3–5 mm, papery, glandular-puberulent to viscid-villous; flowers 8–27. <b>Perianth</b>: tube magenta to greenish, 6.5–18 mm, limb magenta, 6–16 mm diam., throat surrounded by white to yellowish white eyespot. <b>Fruits</b> ± obdeltate in profile, 6–12 × 6–16(–24) mm, indurate, smooth, not rugose veined, apex beaklike; wings 5, not folded, poorly to very well developed, from slightly shorter than beaklike apex of body to prolonged beyond beak, thin, without cavities.</span><!--
  
 
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|publication year=1791
 
|publication year=1791
 
|special status=
 
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/287ef3db526bd807d435a3c7423ef2df1e951227/V4/V4_135.xml
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|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/9216fc802291cd3df363fd52122300479582ede7/coarse_grained_fna_xml/V4/V4_135.xml
 
|genus=Abronia
 
|genus=Abronia
 
|species=Abronia umbellata
 
|species=Abronia umbellata
|apex height or length or size=shorter;shorter
 
|apex length=prolonged;prolonged
 
|apex shape=beaklike;beaklike;beaklike
 
|blade length=1.5cm;6.8cm
 
|blade shape=rhombic;elliptic;rhombic;elliptic;ovate
 
|blade width=0.8cm;4.7cm
 
|bract length=5mm;7mm
 
|bract pubescence=glandular-puberulent;viscid-villous
 
|bract shape=lanceolate;ovate
 
|bract texture=papery
 
|bract width=3mm;5mm
 
|eyespot coloration=white;yellowish white
 
|flower count=8;27
 
|fruit architecture=veined
 
|fruit architecture or pubescence or relief=smooth
 
|fruit atypical width=16mm;24mm
 
|fruit length=6mm;12mm
 
|fruit relief=not rugose
 
|fruit shape=obdeltate
 
|fruit texture=indurate
 
|fruit width=6mm;16mm
 
|limb coloration=magenta
 
|limb diameter=6mm;16mm
 
|margin shape=undulate;entire;more or less repand
 
|mat architecture or fragility=loose
 
|peduncle length or size=longer
 
|petiole some measurement=1cm;6cm
 
|plant duration=annual
 
|plant size=large
 
|stem architecture=branched
 
|stem growth form or orientation=prostrate
 
|stem pubescence=glabrous;glandular-pubescent
 
|stem shape=elongate
 
|surface pubescence=glaucous;glandular-puberulent;glandular-villous
 
|tube coloration=magenta;greenish
 
|tube some measurement=6.5mm;18mm
 
|wing architecture or shape=not folded
 
|wing count=5
 
|wing development=developed
 
|wing width=thin
 
 
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Revision as of 13:57, 27 July 2019

Plants annual. Stems prostrate, much branched in large plants, forming loose mats, elongate, glandular-pubescent or glabrous. Leaves: petiole 1–6 cm; blade ovate, elliptic, or rhombic, 1.5–6.8 × 0.8–4.7 cm, margins entire to ± repand and undulate, surfaces glandular-puberulent to glandular-villous, usually ± glaucous. Inflorescences: peduncle longer than subtending petiole; bracts lanceolate to ovate, 5–7 × 3–5 mm, papery, glandular-puberulent to viscid-villous; flowers 8–27. Perianth: tube magenta to greenish, 6.5–18 mm, limb magenta, 6–16 mm diam., throat surrounded by white to yellowish white eyespot. Fruits ± obdeltate in profile, 6–12 × 6–16(–24) mm, indurate, smooth, not rugose veined, apex beaklike; wings 5, not folded, poorly to very well developed, from slightly shorter than beaklike apex of body to prolonged beyond beak, thin, without cavities.

Distribution

North America, Mexico (Baja California).

Discussion

Varieties 3 (3 in the flora).

S. S. Tillett (1967) stated that Abronia umbellata is sufficiently similar to the inland A. villosa that without information regarding locality some specimens would be very difficult to identify. He also considered A. umbellata subsp. alba (Eastwood) Munz, subsp. platyphylla (Standley) Munz, and subsp. variabilis (Standley) Munz, A. insularis Standley, and A. neurophylla Standley to be introgressive hybrids of A. umbellata with A. maritima.

The name Abronia gracilis Bentham has appeared in regional floras and treatments of Nyctaginaceae since Standley’s continental treatment (1918). S. S. Tillett (1967) stated that the taxon was reported for San Diego County, California, but cited no documenting specimens. I. L. Wiggins (F. Shreve and I. L. Wiggins 1964) considered only A. gracilis subsp. platyphylla (Standley) Ferris to enter the United States, in San Diego County, an entity considered by Tillett to be an intergrade between A. umbellata and A. maritima. The distinctions among A. gracilis, A. umbellata, and A. villosa are subtle at best, and the group is in need of careful study.

Selected References

None.

Key

1 Fruit wing tips often prolonged beyond fruit apex; flowers 7-10 mm Abronia umbellata var. acutalata
1 Fruit wing tips terminating below or extending to fruit apex; flowers 6.5-18 mm > 2
2 Flowers 6.5-10 mm; wings of fruit poorly to moderately developed, if developed, tapering to fruit apex Abronia umbellata var. breviflora
2 Flowers 12-18 mm; wings of fruit well developed, truncate or tapering to fruit apex Abronia umbellata var. umbellata