Tradescantia pinetorum Greene  
Family: Commelinaceae
pinewoods spiderwort
[Aneilema pinetorum (Greene) Matuda]
Tradescantia pinetorum image
Max Licher  
Herbs, erect to ascending, rarely rooting at nodes. Roots sometimes tuberous. Stems sparsely branched, 8--39 cm, scabridulous or rarely glabrescent. Leaves: blade linear-lanceolate, 1--10 ´ 0.15--0.8 cm (distal leaf blades wider or narrower than sheaths when sheaths opened, flattened), firmly membranaceous, glaucous, glabrous. Inflorescences terminal, solitary, or frequently with 1--3 axillary inflorescences from distal nodes; bracts foliaceous. Flowers distinctly pedicillate; pedicels 0.8--1 cm, glandular-puberulent; sepals frequently suffused with red, glaucous, 4--6 mm, glandular-puberulent; petals distinct, bright blue to rose and purple, not clawed, 9--12 mm; stamens free; filaments bearded. Capsules 3--4 mm. Seeds 1.5--2 mm; hilum much shorter than seed. Flowering summer--fall (Jul--Sep). Moist canyons and stream banks; 1700--3000 m; Ariz., N.Mex.; Mexico (Chihuahua, Durango, Sonora).
Plant: perennial herb; scabridulous to scattered pubescent, the trichomes short, appressed; roots fibrous with occasional tubers; stems erect to ascending, sparsely branched, 10-40 cm. Leaves: linear-lanceolate, 1.5-13 cm long, 0.2-0.8 cm wide, the sheath membranaceous, glabrous INFLORESCENCE: terminal, solitary or frequently with 1-3 axillary inflorescences from upper nodes; bracts foliose, 2-6 cm long Flowers: pedicels 0.5-1.3 cm long, glandular-puberulent; sepals frequently suffused with red, glaucous, 0.4-0.6 mm long, glandular-puberulous; petals bright blue to rose and purple, 0.9-1.2 cm long Fruit: FRUITS 3-4 mm long, 3-valved, 3-locular; SEEDS 1.5-2 mm long, with hilum oblong to linear Misc: Grasslands, chaparral and grassy meadows in ponderosa pine forest, on granitic to limestone substrate; mesas and rocky hillsides; 1500-2750 m (5000-9000 ft); Aug-Nov REFERENCES: Puente, Raul, and Robert B. Faden. 2001. Commelinaceae. J. Ariz. - Nev. Acad. Sci. Volume 33(1).
Tradescantia pinetorum image
Max Licher  
Tradescantia pinetorum image
Ries Lindley  
Tradescantia pinetorum image
Ries Lindley  
Tradescantia pinetorum image
Max Licher  
More Images        Web Links       View Parent Taxon       Close window