glandular threadplant, more...
[Nemacladus glanduliferus var. orientalis McVaugh, more]
Plant: Diffusely branched delicate annual forb 5-30 cm Leaves: basal; petiole short or 0; 3-16 mm, oblanceolate to elliptic, narrowed gradually to petiole, toothed or pinnately lobed, hairy INFLORESCENCE: flowers in racemes on all branches; bracts 1-3 mm, spreading, linear to ovate; pedicels 6-16 mm, 0.1-0.2 mm diam, spreading, straight or slightly curved, tip generally curved Flowers: white with purple tinge, bilabiate; hypanthium ± 1 mm; sepals 1.5-2.5 mm, linear-elliptic to ± deltate, spreading; corolla 2-2.5 mm, divided ± to base, white, upper lobes erect, lower lobes ciliate; filament tube 1-2.3 mm, tip slightly curved, glabrous, anthers 0.2-0.4 mm Fruit: capsule, ± 2-4 mm, ± hemispheric (base and tip rounded); dehiscing at tip by 2 valves; chambers 2; Seed ± 0.5 mm, cylindric; surface with impressed, vertical lines crossed by fine transverse lines Misc: Dry slopes, sandy soils, washes; < 2400 m. Notes: anthers free below, fused above, with glassy appendages References: J.C. Hickman, ed. The Jepson Manual. W.B. McDougal. Seed plants of Northern Arizona. ASU specimens.
Wiggins 1964, Kearney and Peebles 1969
Duration: Annual Nativity: Native Lifeform: Forb/Herb General: Winter spring ephemeral, 3.5-18 cm, glabrous or sparsely to moderately pubescent with short white hairs at base; stems threadlike, much branched and upright or spreading. Herbage usually dark olive-green to purple brown. . Leaves: Basal leaves 3-10 mm long, oblanceolate with toothed margins, soon drying, stem leaves are bractlike. Flowers: Racemes zigzag, pedicels ascending to spreading, calyx segments green, .8-1.5 mm, corollas twice as long as calyx, lobes pointed, white with maroon-purple tips. Fruits: Capsule, 2-celled, loculicidally dehiscent. Ecology: Found on rocky slopes, sandy-gravelly soils, along washes, arroyos below 5,000 ft (1524 m); flowers April-June. Distribution: sw UT through AZ and s CA to nw MEX (Sonora and Baja Calif.) Notes: Notable for its diffuse much branched habit and stiffer branches. Ethnobotany: Unknown Etymology: Nemacladus is from Greek nema, a thread and clados, branch, meaning thread-like branches, while glanduliferus means bearing or producing glands. Synonyms: None Editor: SBuckley, 2010