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Minuartia nuttallii var. fragilis

Higher Taxonomy
Family: CaryophyllaceaeView DescriptionDichotomous Key

Common Name: PINK FAMILY
Habit: Annual to perennial herb; rarely dioecious (Silene), taprooted or rhizome generally slender. Leaf: simple, generally opposite (subwhorled), entire, pairs at nodes often +- connected at bases; stipules generally 0; petiole generally 0. Inflorescence: generally cyme, generally open; flowers 1--many; involucre generally 0 (present in Dianthus, Petrorhagia). Flower: generally bisexual, radial; hypanthium often present but obscure; sepals (4)5, +- free or fused into a tube, margins generally scarious, more so on inner 2 or not, tube generally not scarious, awns generally 0; petals (4)5 or 0, generally tapered to base (or with claw long, limb expanded), entire to 2--several-lobed, limb generally without scale-like appendages adaxially, generally without ear-like lobes at base; stamens generally 10, generally fertile, generally free, generally from ovary base; nectaries 0 or 5; ovary superior, generally 1-chambered, placentas basal or free-central, styles 2--5 with 0 branches or 1 with 2--3 branches. Fruit: capsule or utricle (rarely +- dehiscent), generally sessile.
Genera In Family: 83 or 89 genera, 3000 species: widespread, especially arctic, alpine, temperate northern hemisphere; some cultivated (Agrostemma, Arenaria, Cerastium, Dianthus, Gypsophila, Lychnis, Sagina, Saponaria, Silene, Vaccaria). Note: Apetalous Caryophyllaceae can also be keyed in Rabeler & Hartman 2005 FNANM 5:5--8.
eFlora Treatment Author: Ronald L. Hartman & Richard K. Rabeler, except as noted
Scientific Editor: Thomas J. Rosatti.
Genus: MinuartiaView DescriptionDichotomous Key

Common Name: SANDWORT
Habit: Annual, perennial herb, erect to mat-forming, taprooted or rhizomed. Leaf: blade thread-like to awl-shaped or narrowly oblong; veins or ribs 1--3. Inflorescence: terminal or axillary, open to +- dense; flowers 1--many; peduncles, pedicels 0.5--35+ mm. Flower: hypanthium short, obscure; sepals 5, +- free, 1.9--7 mm, +- lanceolate to ovate, glabrous to glandular-hairy; petals 5 or 0, 0.7--10 mm, entire or notched; stamens on an obscure to prominent disk; styles 3, 0.3--2 mm. Fruit: capsule, narrowly ovoid to widely elliptic; valves 3, ascending to recurved. Seed: 1--many, red-tan to red-, purple-, or black-brown.
Species In Genus: 175 species: arctic to Mexico, northern Africa, southern Asia. Etymology: (J. Minuart, Spanish botanist, pharmacist, 1693--1768)
Species: Minuartia nuttalliiView Description 

Common Name: NUTTALL'S SANDWORT
Habit: Perennial herb, mat-forming, 2--20 cm, densely glandular-hairy, +- green; taproot > 3 mm diam; rhizomes, trailing stems < 60+ cm. Stem: in flower ascending to erect. Leaf: 5--12(15) mm, +- 0.3--1.1 mm wide, > internodes, needle-like to awl-shaped, straight to recurved, +- rigid, +- evenly spaced; axillary leaves well developed. Flower: sepals 3.5--7 mm, acute to acuminate, margin not incurved, ribs 1 or 3; petals 0.7--1.6 × sepals. Seed: 1.5--2.2 mm; margin thick, red-brown to dark brown. Chromosomes: 2n=36.
Note: 1 other var., extending sp. range to British Columbia, Alberta.

Minuartia nuttallii var. fragilis (Maguire & A.H. Holmgren) Rabeler & R.L. Hartm.
NATIVE
Leaf: recurved. Flower: sepal ribs (1)3, +- equally prominent; petals 0.8--1.1 × sepals.
Ecology: Uncommon. Basins, limestone talus; Elevation: 1650--2400 m. Bioregional Distribution: GB; Distribution Outside California: Oregon, Nevada. Flowering Time: May--Jul
Synonyms: Minuartia nuttallii subsp. fragilis (Maguire & A.H. Holmgren) McMeill; Arenaria nuttallii Pax subsp. fragilis Maguire & A.H. Holmgren
eFlora Treatment Author: Ronald L. Hartman & Richard K. Rabeler
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Citation for this treatment: Ronald L. Hartman & Richard K. Rabeler 2016. Minuartia nuttallii var. fragilis, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=81387, accessed on May 31, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 31, 2016.


Minuartia nuttallii var. fragilis
click for enlargement
© 2014 Dylan Neubauer
Minuartia nuttallii var. fragilis
click for enlargement
© 1982 Gary A. Monroe
Minuartia nuttallii var. fragilis
click for enlargement
© 2012 Dana York
Minuartia nuttallii var. fragilis
click for enlargement
© 2014 Dylan Neubauer
Minuartia nuttallii var. fragilis
click for enlargement
© 2012 Dana York
Minuartia nuttallii var. fragilis
click for enlargement
© 1982 Gary A. Monroe

More photos of Minuartia nuttallii var. fragilis in CalPhotos


Geographic subdivisions for Minuartia nuttallii var. fragilis:
GB;
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.