TREATMENT FROM THE JEPSON MANUAL (1993)	previous taxon | next taxon Jepson Interchange (more information)
	©Copyright 1993 by the Regents of the University of California

HYDROPHYLLACEAE

WATERLEAF FAMILY

Richard R. Halse, except as specified; Robert W. Patterson, Family Editor

Annual, perennial herb, shrub, generally hairy, generally taprooted
Stem prostrate to erect
Leaves simple to pinnately compound, basal or cauline, alternate or opposite; stipules 0
Inflorescence: cyme (generally raceme-like and coiled) or flowers solitary
Flower bisexual, generally radial; calyx lobes generally 5, generally fused at base, generally persistent, enlarging in fruit; corolla generally deciduous, rotate to cylindric, lobes generally 5, appendages in pairs on tube between filaments or 0; stamens generally 5, epipetalous, filament base sometimes appendaged, appendages scale-like; ovary generally superior, chamber 1, placentas 2, parietal, enlarged into chamber, sometimes meeting so ovary appears 2–5-chambered, styles 1–2, stigmas generally head-like
Fruit: capsule, generally loculicidal; valves generally 2
Genera in family: 20 genera, 300 species: especially w US; some cultivated (Emmenanthe, Nemophila, Phacelia )
Recent taxonomic note: Recently treated to be included in an expanded Boraginaceae (also including Lennoaceae) [Angiosperm Phylogeny Group 1998 Ann Missouri Bot Gard 85:531–553; Olmstead et al. 2000 Mol Phylog Evol 16:96–112]

NAMA

PURPLE MAT

John D. Bacon

Generally annual, hairy
Leaves cauline, generally alternate, simple; margin entire, wavy, crenate, or rolled under
Inflorescence: clusters (generally terminal, leafy) or flowers solitary or paired in axils, not coiled
Flower: corolla salverform to bell-shaped; stamens generally attached to corolla at different levels, generally unequal, portion fused to corolla generally narrowly winged; scales at filament base 0
Fruit generally loculicidal, ovoid to elliptic
Seeds generally many, small, reddish brown, brown, black or yellow
Species in genus: ± 55 species: sw US, tropical Am, Hawaii
Etymology: (Greek: a stream)
Reference: [Hitchcock 1933 Amer J Bot 20:415–430, 518–534]

Native

N. lobbii A. Gray

Perennial, rhizomed, generally forming low mats > 1 m diam, short-glandular-hairy and densely long-nonglandular-woolly-tomentose, with some stiff, spreading hairs
Stem prostrate to ascending, freely branched, 16–50 cm
Leaves 0.5–6 cm, 2–15 mm wide, oblanceolate to obovate, flat; smallest leaves clustered in leaf axils, strongly rolled under, generally sticky above
Inflorescence: pedicels 0–2 mm
Flower: sepals 5–12 mm, linear to narrowly lanceolate; corolla 7–12 mm, widely funnel-shaped to narrowly bell-shaped, purple to pink, limb 7–9 mm diam, lobes 2–3 mm, 2–4 mm wide; stamens 4–8 mm, attached 2–4 mm above corolla base, filament generally with 1–4 short hairs; styles 4–6 mm
Fruit 2–4 mm, loculicidal and septicidal
Seed 1–2 mm, generally elliptic-ovoid, generally angled below, black, papillate
Chromosomes: 2n=28
Ecology: Dry, sandy or rocky alluvial slopes, ridges
Elevation: 1300–2200 m.
Bioregional distribution: Cascade Range, n&c High Sierra Nevada
Distribution outside California: s Oregon, w Nevada
Horticultural information: DRN, SUN: 1, 2, 3, 7, 14, 15, 16, 18; DFCLT.