Sibara filifolia

(Greene) Greene

Pittonia 3: 11. 1896.

EndemicConservation concern
Basionym: Cardamine filifolia Greene Pittonia 1: 30. 1887
Synonyms: Arabis filifolia (Greene) Greene
Treatment appears in FNA Volume 7. Treatment on page 694. Mentioned on page 693.

Plants (glaucous), glabrous throughout. Stems unbranched or branched (few) distally, 1.5–3dm. Basal leaves (not seen), withered by flowering. Cauline leaves: petiole 0.4–1.6 cm; blade margins pectinate or pinnatisect, lobes filiform to linear, 0.5–1.5 cm × 0.2–0.8 mm, margins entire. Racemes (lax); rachis flexuous. Fruiting pedicels divaricate-ascending, straight, (2–) 3–10 (–15) mm. Flowers: sepals 2.2–3 × 0.7–1 mm; petals purple or lavender, 3.5–6 × 2–3 mm, claw ca. 1.5 mm; median filaments 2–2.7 mm; anthers oblong, 0.6–0.8 mm. Fruits divaricate-ascending, straight, subtorulose, 2.5–4.1 cm × 0.7–0.9 mm; ovules 32–40 per ovary; style 0.5–0.8 mm. Seeds 1–1.3 × 0.6–0.9 mm.


Phenology: Flowering Apr.
Habitat: Dry ridges
Elevation: ca. 0 m

Discussion

Of conservation concern.

Sibara filifolia is known from Santa Cruz Island. It is in the Center for Plant Conservation’s National Collection of Endangered Plants.

Selected References

None.

Lower Taxa

None.

"elongated" is not a number."thick" is not a number."dm" is not declared as a valid unit of measurement for this property.

... more about "Sibara filifolia"
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
Ihsan A. Al-Shehbaz +
(Greene) Greene +
not +  and rosulate +
Cardamine filifolia +
appendaged +  and unappendaged +
not +  and auriculate +
pinnatisect +  and pectinate +
much smaller +  and reduced +
urceolate +, campanulate +  and tubular +
branched +  and simple +
sessile +  and petiolate +
well-developed +
distinct +
1.5 cm15 mm <br />0.015 m <br /> (?) +
differentiated +
emarginate +  and entire +
ca. 0 m +
straight +  and curved +
not winged +  and unappendaged +
connate +  and distinct +
zygomorphic +  and actinomorphic +
latiseptate +, stipitate +  and sessile +
straight +
2.5 cm25 mm <br />0.025 m <br /> (4.1 cm41 mm <br />0.041 m <br />) +
divaricate-ascending +
subtorulose +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.09 cm0.9 mm <br />9.0e-4 m <br />) +
Dry ridges +
alternate +, not +  and rosulate +
cauline +  and basal +
connate +  and distinct +
filiform +  and linear +
0.02 cm0.2 mm <br />2.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
pinnatisect;pectinate +
0.2 cm2 mm <br />0.002 m <br /> (0.27 cm2.7 mm <br />0.0027 m <br />) +
obscure +  and prominent +
annular +  and semiannular +
tenuinucellate +, crassinucellate +  and bitegmic +
campylotropous +  and anatropous +
lavender +  and purple +
3.5mm;6mm +
rudimentary +
spatulate +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
Flowering Apr. +
trinucleate +  and 3(-11)-colpate +
reflexed +, horizontal +  and divaricate-ascending +
slender +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
straight +  and flexuous +
divaricate-ascending +
mucilaginous +
margined +, not +  and winged +
biseriate +  and uniseriate +
not +  and mucilaginous +
white +, black +, brown +  and yellow +
0.1 cm1 mm <br />0.001 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
ovate +, globose +, oblong +, ovoid +  and flattened +
0.06 cm0.6 mm <br />6.0e-4 m <br /> (0.09 cm0.9 mm <br />9.0e-4 m <br />) +
persistent +  and caducous +
distinct +
0.07 cm0.7 mm <br />7.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
reduced +
latiseptate +, schizocarpic +, samaroid +  and lomentaceous +
indehiscent +  and dehiscent +
angustiseptate +, flat +, angled +, terete +, torulose +, not +, segmented +  and nutletlike +
Endemic +  and Conservation concern +
tetradynamous +
branched +  and unbranched +
procumbent +  and decumbent +
entire +  and capitate +
2-lobed +  and entire +
subsessile +, sessile +  and petiolate +
persistent +
distinct +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.08 cm0.8 mm <br />8.0e-4 m <br />) +
Arabis filifolia +
Sibara filifolia +
species +
dendritic +  and simple +
coiled +, 1-7-veined +  and veined +
glabrous +  and pubescent +
anastomosing +
not winged +  and not scapose +
glabrous +  and pubescent +
perennial +, biennial +  and annual +
aquatics +  and terrestrial +