Common Name: SUNFLOWER FAMILY Habit: Annual to tree. Leaf: basal and/or cauline, alternate, opposite, rarely whorled, simple to 2+ × compound. Inflorescence: 1° inflorescence a head, resembling a flower, of several types (see below), 1--many in generally +- cyme-like cluster; each head generally with +- calyx-like involucre of 1--many series of phyllaries (involucre bracts); receptacle of head flat to conic or columnar, paleate (bearing paleae = receptacle bracts) or epaleate; flowers 1--many per head. Flower: bisexual, unisexual, or sterile, +- small, of several types (see below); calyx 0 or modified into +- persistent pappus of bristles, scales, and/or awns; corolla radial or bilateral (0), lobes generally (0)3--5; stamens 4--5, filaments generally free, generally fused to corolla at tube/throat junction, anthers generally fused into cylinder around style, anther base generally rounded or cordate (deeply sagittate or with tail-like appendages), tip (= flattened appendage) generally projecting beyond pollen sac; pistil 1, 2-carpeled, ovary inferior, 1-chambered, 1-seeded, placenta basal, style 1, tip generally +- 2-branched (except in some staminate disk flowers), branch tips truncate or generally bearing +- brush-like appendages; stigmas 2, generally on adaxial faces of style branches. Fruit: achene (also called a cypsela) (drupe in Chrysanthemoides), cylindric to ovoid, sometimes compressed, generally deciduous with pappus attached. Genera In Family: +- 1500 genera, 23000 species: worldwide, many habitats. Note: Flower and head types differ in form and sexual condition. A disk flower has a generally radial corolla, with a cylindric tube, expanded throat, and generally 5 lobes. Disk flowers are generally bisexual and fertile but occasionally staminate with reduced ovaries. Discoid heads comprise only disk flowers. A radiant head is a variant of a discoid head, with peripheral disk flower corollas expanded, often bilateral. A ray flower corolla is bilateral, generally with a slender tube and flattened petal-like ray (single lip composed of generally 3 lobes). Ray flowers are generally pistillate or sterile (occasionally lacking styles). Radiate heads have peripheral ray flowers and central disk flowers. Disciform heads superficially resemble discoid heads, with pistillate or sterile flowers that lack rays, together with or separate from disk flowers. A ligulate flower is bisexual, with a bilateral, generally ephemeral corolla and 5-lobed ligule. Liguliflorous heads comprise only ligulate flowers. See glossary p. 31 for illustrations of family characteristics. Echinops sphaerocephalus L., Gaillardia aristata Pursh, Gaillardia pulchella Foug., Hymenothrix loomisii S.F. Blake, Tagetes erecta L., Thelesperma megapotamicum (Spreng.) Kuntze are waifs. Melampodium perfoliatum Kunth, historic urban waif. Ageratum conyzoides L., Guizotia abyssinica (L. f.) Cass., Santolina chamaecyparisus L., orth. var. are rare or uncommon escapes from cultivation. Dyssodia papposa, Ismelia carinata (Schousb.) Sch. Bip. [Chrysanthemum carinatum Schousb.], Mantisalca salmantica (L.) Briq. & Cavill. are historical or extirpated waifs in California. Inula helenium L. not documented in California. Taxa of Aster in TJM (1993) treated here in Almutaster, Doellingeria, Eurybia, Ionactis, Oreostemma, Sericocarpus, Symphyotrichum; Chamomilla in Matricaria; Bahia in Hymenothrix; Cnicus in Centaurea; Conyza in Erigeron and Laennecia; Dugaldia in Hymenoxys; Erechtites in Senecio; Hymenoclea in Ambrosia; Lembertia in Monolopia; Osteospermum ecklonis in Dimorphotheca; Picris echioides in Helminthotheca; Prionopsis in Grindelia; Raillardiopsis in Anisocarpus and Carlquistia; Schkuhria multiflora in Picradeniopsis; Trimorpha in Erigeron; Venidium in Arctotis; Viguiera in Aldama and Bahiopsis; Whitneya in Arnica. Amauriopsis in TJM2 (2012) treated here in Hymenothrix; Arida in Leucosyris; Bahia in Picradeniopsis; Eucephalus in Doellingeria. Unabridged Note: Largest family of vascular plants in California and of eudicots globally. eFlora Treatment Author: David J. Keil, except as noted Scientific Editor: David J. Keil, Bruce G. Baldwin.
Habit: Annual 1--50[70] cm, +- gray, cobwebby to tomentose. Stem: 1, erect, or 2--10+, generally ascending to prostrate, +- forked at least distally, generally evenly leafy proximally, +- leafless between distal forks. Leaf: alternate, +- sessile, linear to obovate or awl-shaped, entire; distal leaves subtending heads, crowded, largest > proximal leaves. Inflorescence: heads disciform, +- sessile, generally 2--10(14) per group or some [all] single; involucre 0 or vestigial, simulated by paleae, or +- cup-like, then phyllaries various, << paleae; receptacle length [0.4]0.7--1.6 × width, obovoid to mushroom-shaped, glabrous; paleae, except innermost, each +- enclosing pappus-lacking pistillate flower, deciduous with fruit (sometimes tardily), +- boat-shaped, obtuse to acute, +- tomentose abaxially, obscurely parallel-veined, veins 5+, margin reflexed distally as scarious wing, wing prominent, terminal, erect to curved inward, visible in head; innermost paleae +- 5[8], collectively surrounding pappus-bearing disk + inner pistillate flowers, > outer, spreading at maturity, concave, lance-ovate, acute, cartilaginous, +- brown, +- glabrous. Pistillate Flower: (11)14--45+, generally only outer subtended by paleae; corolla obscure, narrowly cylindric. Disk Flower: bisexual, 2--10; pappus present; corolla 4--5-lobed; anther base tailed, tip +- triangular; style tips +- linear-oblong. Fruit: obovoid to oblong; outer pistillate-flower fruit > inner, +- enclosed by palea, generally compressed laterally, smooth, shiny, corolla scar +- terminal, pappus 0; inner pistillate-flower fruit and disk fruit free of paleae, +- cylindric, generally +- papillate, dull, corolla scar terminal, pappus of (11)13--28+ deciduous bristles, visible in head, generally falling together in intact or broken ring. Etymology: (Anagram of Filago) Note: Characters may be unreliable in young or dwarf pls. Formerly included in Filago in North America. Unabridged Note: 2 Europe aliens, Logfia arvensis_(L.) Holub, Logfia minima (Sm.) Dumort. occur near California. eFlora Treatment Author: James D. Morefield Reference: Morefield 2006 FNANM 19:443--447
Logfia depressa (A. Gray) Holub
NATIVE Habit: Plants 1--5(10) cm. Stem: (1)3--10+, forked +- throughout, +- gray to +- white, generally tomentose. Leaf: elliptic to obovate, flexible, largest 6--8(10) mm, 1--2 mm wide; distal leaves generally 0.8--1.5 × heads, obtuse. Inflorescence: heads 2--5 per group, some between stem forks and tips, +- pear-shaped, largest 3--4 mm, 2--2.5 mm wide; phyllaries 0, or 1--4, unequal, like vestigial paleae; outer paleae in spiral ranks, curved inward 20--60°, longest 2.1--3.1 mm, body, except midvein, membranous. Pistillate Flower: outer 7--13; inner (with pappus) (4)10--21. Disk Flower: 2--5; corolla 1.3--2 mm, lobes generally 5, +- yellow to +- brown. Fruit: outer 0.7--0.9 mm, +- straight; inner generally smooth, pappus bristles (11)13--15, 1.3--2.4 mm, falling separately or in 2s. Ecology: Dry, open, generally sandy flats, slopes, drainages; Elevation: < 1500 m. Bioregional Distribution: s SNF, SnJV/SCoRO/WTR, SCo, PR, s SNE, D; Distribution Outside California: to southern Nevada, southeastern Arizona, northwestern Mexico. Flowering Time: Feb--May Note: See Logfia filaginoides. Common only outside CA-FP. Synonyms: Filago depressa A. Gray Jepson eFlora Author: James D. Morefield Reference: Morefield 2006 FNANM 19:443--447 Index of California Plant Names (ICPN; linked via the Jepson Online Interchange) Previous taxon: Logfia arizonica Next taxon: Logfia filaginoides
Citation for this treatment: James D. Morefield 2012, Logfia depressa, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=85270, accessed on December 03, 2024.
Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on December 03, 2024.
Geographic subdivisions for Logfia depressa:
s SNF, SnJV/SCoRO/WTR, SCo, PR, s SNE, D
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(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 occurrence).
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Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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Duplicates counted once; synonyms included.
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Blue line denotes eFlora flowering time (fruiting time in some monocot genera).