familySapotaceae
genusSideroxylon
speciesSideroxylon lanuginosum
subspeciesSideroxylon lanuginosum subsp. rigidum

Sideroxylon lanuginosum subsp. rigidum

(A. Gray) T. D. Pennington in Organizaton for Flora Neotropica

in Organizaton for Flora Neotropica, Fl. Neotrop. 52: 169. 1990,.

Wayne J. Elisens, J. Matthew Jones
Basionym: Bumelia lanuginosa var. rigida A. Gray in A. Gray et al., Syn. Fl. N. Amer. ed. 2, 2(1): 68. 1886
Synonyms: Bumelia lanuginosa subsp. rigida (A. Gray) Cronquist Bumelia lanuginosa subsp. texana (Buckley) A. E. Murray Bumelia lanuginosa var. texana (Buckley) Cronquist Bumelia texana Sideroxylon lanuginosum var. rigidum (A. Gray) B. L. Turner
Treatment appears in FNA Volume 8. Treatment on page 240. Mentioned on page 239.

Leaves: petiole hairy to glabrate, hairs white to gray; blade dull adaxially, 15–50 mm, abaxial surface densely to sparsely villous or glabrate, hairs white to gray.


Phenology: Flowering Jun–Jul.
Habitat: Upland forests, woodlands, scrublands
Elevation: 400-2000 m

Distribution

V8 495-distribution-map.gif

Ariz., N.Mex., Okla., Tex., Mexico (Coahuila), Mexico (Nuevo León), Mexico (Tamaulipas)

Discussion

Subspecies rigidum occurs in the southwestern portion of the range and has leaf indument ranging from tomentose to glabrate. Variation patterns are especially complex in southern and western Texas and in northern Mexico.

Selected References

None.

Lower Taxa

None.
... more about "Sideroxylon lanuginosum subsp. rigidum"
RDF feed
Abaxial surface prominence
visible +
Abaxial surface pubescence
glabrate +  and villous +
Adaxial surface pubescence
glabrate +
Adaxial wing shape
decurrent +
Androecium position
hypogynous +
Anther dehiscence
dehiscent +
Anther shape
sagittate +
Anther some measurement
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
Apex shape
acute +, rounded +  and obtuse +
Author
Wayne J. Elisens +  and J. Matthew Jones +
Authority
(A. Gray) T. D. Pennington in Organizaton for Flora Neotropica +
Base shape
acute +  and attenuate +
Basionyms
Bumelia lanuginosa var. rigida +
Berry coloration
purplish black +
Berry pubescence
glabrate +
Berry shape
broadly ellipsoid +  and obovoid +
Berry some measurement
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Blade length
1.5 cm15 mm <br />0.015 m <br /> (9.7 cm97 mm <br />0.097 m <br />) +
Blade margin architecture or shape
pinnate +  and entire +
Blade reflectance
dull +
Blade shape
oblanceolate;spatulate +
Blade some measurement
1.5 cm15 mm <br />0.015 m <br /> (5 cm50 mm <br />0.05 m <br />) +
Blade width
0.7 cm7 mm <br />0.007 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Calyx diameter
0.19 cm1.9 mm <br />0.0019 m <br /> (0.32 cm3.2 mm <br />0.0032 m <br />) +
Corolla shape
tubular +, cyathiform +  and rotate +
Distribution
Ariz. +, N.Mex. +, Okla. +, Tex. +, Mexico (Coahuila) +, Mexico (Nuevo León) +  and Mexico (Tamaulipas) +
Elevation
400-2000 m +
Embryo orientation
horizontal +, oblique +  and vertical +
Endosperm coating
oily +
Endosperm presence
absent +
Flower architecture or arrangement or growth form
solitary +
Flower reproduction
bisexual +
Fruit architecture
baccate +
Growth life cycle
older +
Habitat
Upland forests, woodlands, scrublands +
Hair coloration
white;gray +
Hilum prominence
prominent +
Hilum shape
Ovoid (Ellipsoid) +
Illustration copyright
Flora of North America Association +
Illustrator
Yevonn Wilson-Ramsey +
Inflorescence architecture
7-17-flowered +
Inflorescence architecture or arrangement
fasciculate +
Inflorescence arrangement
fascicles +
Inflorescence position
axillary +
Lateral lateral segment presence
absent +
Lateral lateral segment prominence
vestigial +
Lateral segment shape
falcate +  and lanceolate +
Lateral segment some measurement
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
Leaf architecture
simple +
Leaf architecture or arrangement
fascicled +
Leaf arrangement
alternate +
Leaf duration
deciduous +
Lobe length or size
longer +
Lobe shape
divided +
Margin shape
plane +
Marginal vein presence
absent +
Median quantity
2 +  and 1 +
Median segment shape
Oblong (Ovate) +
Median segment size
larger +
Median segment some measurement
0.12 cm1.2 mm <br />0.0012 m <br /> (0.18 cm1.8 mm <br />0.0018 m <br />) +
Median segment variability
equaling +
Midrib prominence or shape
flat +
Midrib pubescence
villous +
Nectary disc presence
absent +
Node architecture
defoliated +  and leafy +
Number of lower taxa
0 +
Ovary architecture or structure in adjective form
5(-8)-locular +
Ovary placentation
axile +
Ovary position
basal +  and superior +
Ovary pubescence
strigose +
Ovary some measurement
0.1 cm1 mm <br />0.001 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
Ovule architecture
tenuinucellate +, unitegmic +  and hemitropous +
Ovule orientation
anatropous +
Pedicel pubescence
glabrous +  and villous +
Pedicel some measurement
0.2 cm2 mm <br />0.002 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Perianth position
hypogynous +
Petal atypical quantity
5 (6) +
Petal coloration
white +
Petal fusion
connate +
Petal quantity
5 +
Petiole presence
absent +
Petiole pubescence
hairy +  and glabrate +
Petiole some measurement
0.2 cm2 mm <br />0.002 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
Phenology
Flowering Jun–Jul. +
Pistil architecture
5(-8)-carpellate +
Pistil quantity
1 +
Publication title
in Organizaton for Flora Neotropica, Fl. Neotrop. +
Publication year
1753 +
Reference
None +
Sap coloration
milky +
Seed coloration
buff;light-brown +
Seed quantity
1;2 +
Seed reflectance
shiny +
Seed shape
ellipsoid +
Seed some measurement
0.6 cm6 mm <br />0.006 m <br /> (1.1 cm11 mm <br />0.011 m <br />) +
Seed texture
indurate +
Sepal arrangement
imbricate +
Sepal atypical quantity
4 (5) +
Sepal fusion
distinct +
Sepal length
? (?) +
Sepal pubescence
lanate-villous +
Sepal quantity
5 +
Sepal width
0.14 cm1.4 mm <br />0.0014 m <br /> (0.19 cm1.9 mm <br />0.0019 m <br />) +
Slit dehiscence or orientation
longitudinal +
Source xml
https://bibilujan@bitbucket.org/aafc-mbb/fna-fine-grained-xml.git/src/84153f6d59a0a91d69695978a64cee7560374f8e/V8/V8 495.xml +
Stamen atypical quantity
5 (6) +
Stamen fusion
distinct +
Stamen position
epipetalous +  and antipetalous +
Stamen position or shape
distal +
Stamen quantity
5 +
Stamen some measurement
0.25 cm2.5 mm <br />0.0025 m <br /> (0.28 cm2.8 mm <br />0.0028 m <br />) +
Staminode architecture
erose +  and entire +
Staminode arrangement
alternating +
Staminode atypical quantity
5 (6) +
Staminode orientation
inflexed +
Staminode pubescence
glabrous +
Staminode quantity
5 +
Staminode shape
lanceolate +
Staminode some measurement
0.13 cm1.3 mm <br />0.0013 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Stem architecture
armed +  and not armed +
Stem pubescence
glabrescent +  and villous +
Stigma quantity
1 +
Stigma shape
lobed +  and capitate +
Stipule presence
absent +
Style position
included +, exserted +  and terminal +
Style quantity
1 +
Style some measurement
0.11 cm1.1 mm <br />0.0011 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Surface pubescence
glabrescent +, glabrate +  and villous sericeous or strigose +
Synonyms
Bumelia lanuginosa subsp. rigida +, Bumelia lanuginosa subsp. texana +, Bumelia lanuginosa var. texana +, Bumelia texana +  and Sideroxylon lanuginosum var. rigidum +
Taxon family
Sapotaceae +
Taxon name
Sideroxylon lanuginosum subsp. rigidum +
Taxon parent
Sideroxylon lanuginosum +
Taxon rank
subspecies +
Volume
Volume 8 +
Whole organism duration
evergreen +  and deciduous +
Whole organism growth form
tree +  and shrub +
Whole organism some measurement
0m (15m) +
Whorl quantity
1 +
X chromosome quantity
12 +