Winter Quarter Week 4 Plant Family: Plantaginaceae

Plantain or Speedwell Family

Plantago ovata

Here are some characteristics of the Plantaginaceae:

  1. Herbaceous Perennials: Most members lack woody stems and persist for multiple growing seasons.
  2. Simple Leaves: Typically simple, often arranged alternately along the stem, vary in size and shape but are often lanceolate or ovate
  3. Inflorescence: Spikes, racemes, or panicles. Terminal or arise from the leaf axils.
  4. Bisexual Flowers
  5. Symmetry: Usually exhibit bilateral symmetry
  6. Corolla: Often fused into a tubular shape with four or five lobes at the apex.
  7. Superior Ovary
  8. Fruit Type: Capsule containing numerous small seeds.
  9. Ecological Importance: Food sources for various insects and animals.
  10. Habitat Diversity: Wide range of habitats, including grasslands, woodlands, meadows, and disturbed areas.

The family encompasses a wide variety of plants, ranging from common roadside weeds to ornamental garden flowers, and includes species with both medicinal and culinary uses.

Link to Jepson video showing characteristics

Link to Jepson eflora key to Plantaginaceae

Winter Quarter Week 3 Plant Family: Phrymaceae

Diplacus aurantiacus

The Phrymaceae, or lopseed family, is distinguished by the following:

  • Habitat: Diverse, including moist or wet areas such as streambanks, meadows, and woodland areas.
  • Leaves: Simple and opposite
  • Inflorescence: Spike or raceme, or solitary, axillary flowers
  • Flowers: Often bilaterally symmetrical, consist of five united sepals and 5 fused petals
  • Stamens: 2-4 and often unequal in length
  • Fruits: Capsule, achene, or berry
  • Genera: Includes Mimulus and Diplacus

Link to Jepson video

Link to Jepson key to the family

Winter Quarter Week 2 Plant Family: Grossulariaceae

Some characteristics of the Grossulariaceae (current or gooseberry) family:

  1. Leaves: Typically alternate and palmately lobed or compound. They may have serrated margins.
  2. Flowers: Usually 5 sepals and 5 petals; hypanthium tube exceeding ovary
  3. Inflorescence: Raceme or cyme.
  4. Fruit: Berry, often with multiple seeds. In some species, the berries are edible and are used to make jams or consumed fresh.
  5. Habitat: Forests, meadows, and rocky slopes.
  6. Genus: Ribes (currants and gooseberries) is the only genus, as Grossularia is no longer an active genus name. There are 120 species.
  7. Culinary Importance: Edible berries.
  8. Distribution: Temperate regions of the Northern Hemisphere.

Link to key to Ribes (Jepson)

Winter Quarter Week 1 Plant Family: Anacardiaceae

Malosma laurina, laurel sumac

The Anacardiaceae, or Cashew Family, has the following characteristics:

  • Leaves: Typically alternate, rarely opposite. Usually pinnately compound, sometimes trifoliate.
  • Resin Ducts: produce aromatic compounds.
  • Inflorescence: Flowers are often arranged in panicles or spikes.
  • Flowers: Regular, bisexual, and usually small. Sepals and petals are usually five in number.
  • Fruit: Drupe, which is a fleshy fruit with a single seed enclosed by a hard endocarp.
  • Toxicity: Some members of the family produce oils that can cause skin irritation. An example is the presence of urushiol in poison ivy, poison oak, and poison sumac.
  • Importance to Humans: Many important food plants belong to this family, including cashew (Anacardium occidentale), pistachio (Pistacia vera), and mango (Mangifera indica).
  • Distribution: The family is widespread and found in tropical and subtropical regions.
  • Genera: California genera in the Anacardiaceae family include Malosma, Rhus, Pistacia, and Toxicodendron.
  • Growth forms: The family is diverse, containing trees, perennial herbs, and shrubs.